1.综合题- (共1题)
（1）大棚西瓜（图一）能够提前上市，主要是克服了 对植物生长的影响；西瓜内有多粒种子，这说明其子房内含有多个 。
（2）种植西瓜需合理密植（图二），这主要是为了提高 效率。
（3）将幼小西瓜套上方形筐能培育出方形西瓜（图三），该性状不能遗传给后代的原因是 ；无子西瓜是由于 改变形成的。
（4）假设你种了一批纯合（基因组成为DD或dd）绿皮西瓜，一天你发现其中一株变异成条纹状瓜皮。若把条纹皮西瓜和纯合的绿皮西瓜杂交，产生的后代50%为条纹皮，50%为绿皮。请用遗传图解的方式说明上述两个亲本及其后代的基因组成和性状表现。
2.单选题- (共8题)
| A．新品种的培育过程体现了基因的多样性 |
| B．新品种的培育过程体现了生物种类的多样性 |
| C．鸡的所有行为都是在遗传因素的基础上，通过环境因素的作用而习得的 |
| D．家养的几只母鸡先后出现抱窝现象，这属于学习行为 |
| A．胚的基因组成相同，种皮的基因组成不同 |
| B．胚的基因组成不同，种皮的基因组成相同 |
| C．胚的基因组成相同，种皮的基因组成相同 |
| D．胚的基因组成不同，种皮的基因组成不同 |
A. 抗原、控制传染源 B. 抗原、保护易感者
C. 抗体、控制传染源 D. 抗体、保护易感者
3.选择题- (共3题)
根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限一词。
Do you like your parents? They're two most i{#blank#}1{#/blank#}people in your life. I think so. Because they're likely to influence you more than anyone e{#blank#}2{#/blank#} you have met and will meet. So if your dad worships a football team, s{#blank#}3{#/blank#} as Pittsburgh Steelers and Atlauta Falcons, you are likely to grow up being a big fan of a football team. And if your mom loves to r{#blank#}4{#/blank#} , you might grow up just carrying a book wherever you go, just a{#blank#}5{#/blank#}she does.
But parents do a lot more than just pass along their h{#blank#}6{#/blank#} . Moms and Dads need to care for their kids from the m{#blank#}7{#/blank#}they're born. It's parents' task to love and guide kids---and most parents will do this as l{#blank#}8{#/blank#} as they live----even when the "kids" have g{#blank#}9{#/blank#}up and have children of their o{#blank#}10{#/blank#} . That means you have many years ahead to share with your mom and dad.
根据下列句子所给的提示及句意，写出句子空缺处各单词的正确形式。
1.I never feel {#blank#}1{#/blank#} (无聊的) or unhappy when he is with me.
2.He lives{#blank#}2{#/blank#} (独自), so he often feels {#blank#}3{#/blank#}(寂寞).
3.This dress is very popular this year. Do you know who the{#blank#}4{#/blank#} (design) is?
4.He didn't {#blank#}5{#/blank#}(出现) until ten o’clock last night.
5.They are having an {#blank#}6{#/blank#} (采访) with Mr. Green about the changes in his hometown.
6.Traveling{#blank#}7{#/blank#}(到国外) has become fashionable.
7.The castle looked{#blank#}8{#/blank#} (shine)and beautiful under the fireworks.
用括号内所给动词的适当形式填空。
1.We {#blank#}1{#/blank#}(watch) the boys{#blank#}2{#/blank#} (play) basketball on the playground when something strange happened.
2.I don't know what {#blank#}3{#/blank#}(happen)to him just now.
3.Computers are useful to us. But some students only use them{#blank#}4{#/blank#} (play) games.
4.–--Would you mind{#blank#}5{#/blank#}(take) photos with me?
5.--- Of course not. When I miss you, I can have a look.
6.You may go to play football as soon as your homework {#blank#}6{#/blank#} (finish).
7.Middle school students{#blank#}7{#/blank#}(tell) not to smoke.
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【1】题量占比
综合题:(1道)
单选题:(8道)
选择题:(3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：0
5星难题：0
6星难题：9
7星难题：0
8星难题：0
9星难题：0