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【简答题】
如何理解电容元件的“通交隔直”作用?
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反馈参考答案：
举一反三
【判断题】土壤保肥性是指土壤吸持各种离子、分子、气体和粗悬浮物质的能力，包括阳离子交换吸附和阴离子交换吸附两种类型，其中，阳离子交换吸附是土壤保肥的主要机理。
A.
正确
B.
错误
【简答题】离子交换吸附
【单选题】Since chimpanzees are genetically very similar to humans, ______.
A.
chimpanzees are likely to suffer AIDS just like humans if they are infected.
B.
it does not matter if human beings are infected with SIV rather than HIV - 1.
C.
we can use human vaccines to prevent chimpanzees from getting AIDS virus.
D.
AIDS vaccines based on chimp' s immune mechanism are possible to be made.
【单选题】Under what circumstance would chimpanzees collapse the table of other chimpanzees?
A.
Other chimpanzees happened to have more food.
B.
Other chimpanzees wanted to have a fight.
C.
Other chimpanzees took or stole food from them.
D.
Other chimpanzees entered their territory.
【单选题】Which of the following is NOT true of chimpanzees?
A.
Chimpanzees are often comfortable with strangers right away.
B.
Chimpanzees eat meat as well as plants and fruit.
C.
Chimpanzees use tools to help them get food.
D.
Different chimpanzees have different personalities.
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