1.综合题- (共2题)
（1）狗毛的白色和黑色在遗传学上称为_____，狗的后代全部是狗，这是一种_____现象。
（2）请你推断狗毛的白色和黑色中，显性性状是_____。
（3）如果显性性状由基因B控制，隐性性状由基因b控制，那么6只白色小狗的基因组成为_____。
（4）正常情况下，狗的体细胞中染色体上的基因是_____存在的。若狗的体细胞中染色体数是78条，那么白色公狗为每只小狗提供了_____条染色体。
（5）狗的性别决定与人一样，则白色公狗的性染色体是_____，白色母狗为小狗提供的性染色体是_____。
（1）引起人感染H7N9禽流感的病毒称为________。
（2）带有禽流感病毒的禽类成为禽流感疾病流行的_____________。
（3）为预防该传染病，最好是对易感人群进行预防接种。接种的疫苗叫做______,能刺激人体产生________,这属于___________免疫，是人体的第___道防线。
（4）注意营养，加强锻炼属于传染病预防措施中的___________。
（5）健康人注射甲肝疫苗后，________(填“能"或“不能’’)预防H7N9禽流感。
2.判断题- (共5题)
3.单选题- (共19题)
| A．染色体是由DNA和蛋白质组成的 | B．染色体是基因的载体 |
| C．每个DNA分子上只有一个基因 | D．基因是有遗传效应的DNA片段 |
| A．能够使生物更好的适应不断变化的环境 |
| B．所有的变异对生物的生存都是有利的 |
| C．变异会产生新的生物类型，使生物不断进化 |
| D．人们可以利用对人类有益的变异选育新品种 |
| A．一对正常的夫妇生出一个手有六指的儿子 |
| B．同卵双胞胎生的兄弟俩，哥哥比弟弟略胖些 |
| C．父母双方都有酒窝，他们的亲生儿子没有酒窝 |
| D．父母双方的色觉都正常，生出的儿子却是色盲患者 |
4.选择题- (共5题)
My name is Maggie.I am a 13-year-old Canadian girl. I live in Toronto. It's a very big city. I can speak English and French. I have classes from 8:00 a.m. to 2:40 p.m. I have lunch at school. Many girls love playing volleyball after school, but I like swimming. I have a big family, my father, my mother and two brothers. I think China is a great country. I want a Chinese pen pal.
Please sendemails to me if you want to be my pen pal. My email address is maggie13@yahoo.com.
My name is Maggie.I am a 13-year-old Canadian girl. I live in Toronto. It's a very big city. I can speak English and French. I have classes from 8:00 a.m. to 2:40 p.m. I have lunch at school. Many girls love playing volleyball after school, but I like swimming. I have a big family, my father, my mother and two brothers. I think China is a great country. I want a Chinese pen pal.
Please sendemails to me if you want to be my pen pal. My email address is maggie13@yahoo.com.
5.填空题- (共8题)
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【1】题量占比
综合题:(2道)
判断题:(5道)
单选题:(19道)
选择题:(5道)
填空题:(8道)
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【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：16
7星难题：0
8星难题：11
9星难题：6