题目内容

What do we know about mother-reared rhesus monkeys?

A. They only stay with their peers until the age of six months.
B. They are not easily frightened by strange people and events.
C. Their brain and body chemistry may be remarkably changed.
D. They abuse or ignore their offspring when becoming mothers.

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测定土的含水量的方法。

公路的基层宽度每侧宜比面层宽()cm。

It can be inferred from Paragraphs 1 and 2 that______.

A. human beings can control the environment
B. we are actually not a unique species as we thought of
C. research on monkeys provides enlightenment to humans
D. monkeys are usually reared without love and mother care

钻孔桩的施工顺序。

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