1.非选择题- (共1题)

(1)该细胞的名称是 ,所处于的时期是 。
(2)图中有染色体 个,染色单体 个,DNA分子 个。
(3)图中有同源染色体 对,分别是 ;非同源染色体有 (根据图中标号,例举三组)。
(4)图中有姐妹染色单体 对,分别是 ;非姐妹染色单体有 (根据图中标号,例举三组)。
(5)在形成精子的过程中图中的染色体 一定要分离进入到不同的细胞中去;染色体 可以自由组合。组合的可能性有 种,实际有 种。
(6)在形成精子的过程中,染色单体 有交叉互换的可能性(仅就1和2染色体而言)。
(7)此细胞分裂后产生的子细胞的名称是 。
(8)这种生物体细胞中的染色体个数是 ,产生的精子中的染色体个数是 。
2.单选题- (共19题)
A.同源染色体分离,非同源染色体自由组合 |
B.同源染色体分离,同时着丝点也随着分裂 |
C.着丝点的分裂引起了同源染色体的分离 |
D.着丝点的分裂引起了非同源染色体自由组合 |
A.雌雄生殖器官 |
B.雌雄亲本产生配子 |
C.生物在生殖过程中,雌雄配子的随机结合 |
D.控制不同性状的遗传因子的自由组合 |
A.AaBb B.aabb C.AaBB D.aaBb
A.遗传因子发生了改变 |
B.成对的遗传因子的分离 |
C.非成对的遗传因子的分离 |
D.成对的遗传因子分离的同时,非成对的遗传因子间自由组合 |
3.选择题- (共16题)
① {#blank#}1{#/blank#} Carry She doesn't like eating the American food every day. She dreams that she can taste food from other countries. ② {#blank#}2{#/blank#} Mr. Smith An old man. He is living in the city, but what he likes is the country life. ③ {#blank#}3{#/blank#} Ben He hates hot weather. He feels pleased when he walks on the sand. ④ {#blank#}4{#/blank#} Jack A young man. He is not afraid of danger. And he feels like watching difficult actions like jumping through the air or walking on their hands. ⑤ {#blank#}5{#/blank#} Miss Green She has nothing to do this Saturday. She thinks watching films is a good way to kill time. | A. Visit Hawaii Visit long sandy beaches. Climb the mountains. Daytime temperatures 24°C--26°C, only a little cool by late evening. B. Come to Austria Enjoy the whole village, soil, the forest and the mountains in a clean and not expensive hotel. 20°C--25°C in the daytime, but much cooler in the evening. C. Acrobatics(杂技) Exciting! Dangerous! See you at the City Theatre on Saturday morning at 10:00, free. D. Movies at the Museum Two Indian movies will be shown on Saturday afternoon at the Museum Theatre. THE GRAND CANYON: 2:00; THE BUILDERS:3:50 Tel:367899 E. International Picnic Are you fed up with(对…厌倦) having the same food? Would you like to enjoy food from all over the world? It's delicious and not dear. Just come here. |
① {#blank#}1{#/blank#} Carry She doesn't like eating the American food every day. She dreams that she can taste food from other countries. ② {#blank#}2{#/blank#} Mr. Smith An old man. He is living in the city, but what he likes is the country life. ③ {#blank#}3{#/blank#} Ben He hates hot weather. He feels pleased when he walks on the sand. ④ {#blank#}4{#/blank#} Jack A young man. He is not afraid of danger. And he feels like watching difficult actions like jumping through the air or walking on their hands. ⑤ {#blank#}5{#/blank#} Miss Green She has nothing to do this Saturday. She thinks watching films is a good way to kill time. | A. Visit Hawaii Visit long sandy beaches. Climb the mountains. Daytime temperatures 24°C--26°C, only a little cool by late evening. B. Come to Austria Enjoy the whole village, soil, the forest and the mountains in a clean and not expensive hotel. 20°C--25°C in the daytime, but much cooler in the evening. C. Acrobatics(杂技) Exciting! Dangerous! See you at the City Theatre on Saturday morning at 10:00, free. D. Movies at the Museum Two Indian movies will be shown on Saturday afternoon at the Museum Theatre. THE GRAND CANYON: 2:00; THE BUILDERS:3:50 Tel:367899 E. International Picnic Are you fed up with(对…厌倦) having the same food? Would you like to enjoy food from all over the world? It's delicious and not dear. Just come here. |
The world is an interesting place. Different people like 1 things. Some people like loud music. 2 people don't. They like 3 music.
Many people like sports, but they do not 4 the same sport. In some countries, cricket(板球运动) is a very popular sport. In others it is not popular 5 all. No one plays it or watches it on TV. 6, most people like soccer. The World Cup is very popular. 7 of people watch the games on TV.
Different people like different 8. Some people don't like meat. They eat fruit and vegetables 9 of the time. Some people don't like 10 or bread. They prefer rice.
Not everyone likes the same colour. Most people have 11 favourite colours. Some people like 12 colours. Others prefer dark colours.
Many people like 13. Different people like different places. Some people like going to the country. They like fresh air. Some people like going to cities because they like 14. Some other people enjoy beautiful places like mountains or beaches.
15 do you like? Have you got an idea?
The world is an interesting place. Different people like 1 things. Some people like loud music. 2 people don't. They like 3 music.
Many people like sports, but they do not 4 the same sport. In some countries, cricket(板球运动) is a very popular sport. In others it is not popular 5 all. No one plays it or watches it on TV. 6, most people like soccer. The World Cup is very popular. 7 of people watch the games on TV.
Different people like different 8. Some people don't like meat. They eat fruit and vegetables 9 of the time. Some people don't like 10 or bread. They prefer rice.
Not everyone likes the same colour. Most people have 11 favourite colours. Some people like 12 colours. Others prefer dark colours.
Many people like 13. Different people like different places. Some people like going to the country. They like fresh air. Some people like going to cities because they like 14. Some other people enjoy beautiful places like mountains or beaches.
15 do you like? Have you got an idea?
The world is an interesting place. Different people like 1 things. Some people like loud music. 2 people don't. They like 3 music.
Many people like sports, but they do not 4 the same sport. In some countries, cricket(板球运动) is a very popular sport. In others it is not popular 5 all. No one plays it or watches it on TV. 6, most people like soccer. The World Cup is very popular. 7 of people watch the games on TV.
Different people like different 8. Some people don't like meat. They eat fruit and vegetables 9 of the time. Some people don't like 10 or bread. They prefer rice.
Not everyone likes the same colour. Most people have 11 favourite colours. Some people like 12 colours. Others prefer dark colours.
Many people like 13. Different people like different places. Some people like going to the country. They like fresh air. Some people like going to cities because they like 14. Some other people enjoy beautiful places like mountains or beaches.
15 do you like? Have you got an idea?
Henry and Bill are good friends, but they {#blank#}1{#/blank#} (从不) see each other. They come from different {#blank#}2{#/blank#} (国家). Henry is from the USA, Bill is from England. They {#blank#}3{#/blank#} (两者) have computers and talk on the Internet. Today they talk about how to keep in excellent {#blank#}4{#/blank#} (状况).
Henry thinks doing {#blank#}5{#/blank#} (锻炼) is good. He is a {#blank#}6{#/blank#} (成员) of a sports club. His {#blank#}7{#/blank#} (梦想) is to be a football player. He also thinks good eating habits are important. Fruit and vegetables are his {#blank#}8{#/blank#} (最爱). He doesn't eat fast food, though it {#blank#}9{#/blank#} (闻起来) delicious. Bill {#blank#}10{#/blank#} (赞同) with Henry. He often plays sports and eats healthy food, too.
Tom woke up on Monday morning, he felt 1. He always felt sick on Monday morning. He had to go to school for five 2 every week! He almost wished there were no weekends. 3 was even more difficult for him to go back to school!
He 4 in bed and wondered what excuse he could make this time. He looked at his body, but could find 5 wrong. A little headache? 6. He had used that excuse many times. Then he realized that one of his teeth was loose(松动). Good! He was just going to start groaning(呻吟)7 he thought that Aunt Polly would pull the tooth out. That would 8! He looked for something else. Suddenly he remembered what the doctor had said about a certain problem with his toes(脚趾). He pulled his right foot out and looked at it. 9 of the toes was really hurting. Tom began to groan.
"What is 10 with you?" Aunt Polly asked.
"My toe hurts."
The old lady fell into the chair, 11 a little, "Tom, you frighten me. Now shut up at once and get out of 12."
Tom felt like a thief being caught. "Well, it seems all right. It hurts so much 13 I forgot my teeth. One of them loses and it hurts 14."
"No problem," answered Aunt Polly. "I can pull it out."
"Please, Auntie! Don't pull it out. It has15 hurting. Please!"
"No way! Well, you will have your tooth out or you will go to school."
Tom woke up on Monday morning, he felt 1. He always felt sick on Monday morning. He had to go to school for five 2 every week! He almost wished there were no weekends. 3 was even more difficult for him to go back to school!
He 4 in bed and wondered what excuse he could make this time. He looked at his body, but could find 5 wrong. A little headache? 6. He had used that excuse many times. Then he realized that one of his teeth was loose(松动). Good! He was just going to start groaning(呻吟)7 he thought that Aunt Polly would pull the tooth out. That would 8! He looked for something else. Suddenly he remembered what the doctor had said about a certain problem with his toes(脚趾). He pulled his right foot out and looked at it. 9 of the toes was really hurting. Tom began to groan.
"What is 10 with you?" Aunt Polly asked.
"My toe hurts."
The old lady fell into the chair, 11 a little, "Tom, you frighten me. Now shut up at once and get out of 12."
Tom felt like a thief being caught. "Well, it seems all right. It hurts so much 13 I forgot my teeth. One of them loses and it hurts 14."
"No problem," answered Aunt Polly. "I can pull it out."
"Please, Auntie! Don't pull it out. It has15 hurting. Please!"
"No way! Well, you will have your tooth out or you will go to school."
Tom woke up on Monday morning, he felt 1. He always felt sick on Monday morning. He had to go to school for five 2 every week! He almost wished there were no weekends. 3 was even more difficult for him to go back to school!
He 4 in bed and wondered what excuse he could make this time. He looked at his body, but could find 5 wrong. A little headache? 6. He had used that excuse many times. Then he realized that one of his teeth was loose(松动). Good! He was just going to start groaning(呻吟)7 he thought that Aunt Polly would pull the tooth out. That would 8! He looked for something else. Suddenly he remembered what the doctor had said about a certain problem with his toes(脚趾). He pulled his right foot out and looked at it. 9 of the toes was really hurting. Tom began to groan.
"What is 10 with you?" Aunt Polly asked.
"My toe hurts."
The old lady fell into the chair, 11 a little, "Tom, you frighten me. Now shut up at once and get out of 12."
Tom felt like a thief being caught. "Well, it seems all right. It hurts so much 13 I forgot my teeth. One of them loses and it hurts 14."
"No problem," answered Aunt Polly. "I can pull it out."
"Please, Auntie! Don't pull it out. It has15 hurting. Please!"
"No way! Well, you will have your tooth out or you will go to school."
Tom woke up on Monday morning, he felt 1. He always felt sick on Monday morning. He had to go to school for five 2 every week! He almost wished there were no weekends. 3 was even more difficult for him to go back to school!
He 4 in bed and wondered what excuse he could make this time. He looked at his body, but could find 5 wrong. A little headache? 6. He had used that excuse many times. Then he realized that one of his teeth was loose(松动). Good! He was just going to start groaning(呻吟)7 he thought that Aunt Polly would pull the tooth out. That would 8! He looked for something else. Suddenly he remembered what the doctor had said about a certain problem with his toes(脚趾). He pulled his right foot out and looked at it. 9 of the toes was really hurting. Tom began to groan.
"What is 10 with you?" Aunt Polly asked.
"My toe hurts."
The old lady fell into the chair, 11 a little, "Tom, you frighten me. Now shut up at once and get out of 12."
Tom felt like a thief being caught. "Well, it seems all right. It hurts so much 13 I forgot my teeth. One of them loses and it hurts 14."
"No problem," answered Aunt Polly. "I can pull it out."
"Please, Auntie! Don't pull it out. It has15 hurting. Please!"
"No way! Well, you will have your tooth out or you will go to school."
C
Are you feeling sleepy in class? I remember that I used to get up at eight when I was young. And we used not to do homework. But now, everything has changed.
For 12-year-old Liu Xiangjian, the most difficult thing in life is getting up at 5:50 a.m. every school day.
"I don't want to get up so early, but I used to be afraid of being late," the six-grade Beijing primary school student said, "I want more sleep."
Liu has breakfast at 6:15 a.m., and after a 30-minute bus ride, arrives at school at 7 a.m. Like most of his 28 classmates, Liu arrives at school a full hour before lessons start at 8 a.m.
In 2007, a survey of 2500 schoolchildren in six cities, including Beijing and Shanghai, it was found that about 77% students were short of sleep.
In a recent survey made by the China Daily website, almost 70% of the 1,130 respondents(调查对象) said that they agreed with cutting school hours, while 20% disagreed and 10% had no comment.
Although their children spend long hours at school, many parents arrange(安排) for them to take more studies.
Liu's mother, Wang Qunyu, who teaches at a high school in Beijing, thinks her son is still not doing enough to win a place at a good quality(质量) high school.
"Of course I want my son to have more sleep, more exercise and more fun,' she said, "but the common saying is that if you give your child a happy childhood in China, you give him failed future."
Something must be done to change people's traditional thought that a college diploma(毕业证)is a ticket to a good job.
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【1】题量占比
非选择题:(1道)
单选题:(19道)
选择题:(16道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:1
5星难题:0
6星难题:19
7星难题:0
8星难题:0
9星难题:0