1.判断题- (共3题)
2.综合题- (共1题)
(1)根据遗传结果可推断出，在豚鼠毛色这一对相对性状中，________色是显性性状。
(2)图中棕色豚鼠的基因型是_________；子代豚鼠的基因型是________。
(3)某同学买了一只黑色雌豚鼠，但不知其基因型。该同学利用上述棕色雄豚鼠与这只黑色雌豚鼠交配，生出的豚鼠有棕色和黑色,该同学买的黑色雌性豚鼠的基因型应是_______________。
3.单选题- (共14题)
| A．隐性基因控制的性状不能表现出来 |
| B．显性基因控制的性状可以表现出来 |
| C．能卷舌的基因组成不一定是AA |
| D．不能卷舌的基因组成一定是aa |
| A．艾滋病的病原体是艾滋病病毒 |
| B．艾滋病病毒没有细胞结构 |
| C．艾滋病病毒可以不寄生，独立生活 |
| D．艾滋病可以通过性传播 |
4.选择题- (共19题)
—Let's wish everybody happiness and good on their way to _______ in the new term.
—She is about my _______, hair, and wears a pair of glasses.
—I think it's really necessary. It is reported that the food that Chinese people _____ every year is enough to feed 200 million people for a year.
—I agree with you. They should consider their interests and responsibilities.
—Don't be discouraged(泄气). The long vacation we are looking forward to _____ soon.
—Don't be discouraged(泄气). The long vacation we are looking forward to _____ soon.
—I agree with you. It's rude _______us to do that.
—So we can't believe in ads. But we can't escape ______ ads.
—So we can't believe in ads. But we can't escape ______ ads.
—British English ______ from American English. They use different words and they spell some words .
—British English ______ from American English. They use different words and they spell some words .
5.填空题- (共1题)
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【1】题量占比
判断题:(3道)
综合题:(1道)
单选题:(14道)
选择题:(19道)
填空题:(1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：4
7星难题：0
8星难题：14
9星难题：0