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【判断题】
花药能被诱导为单倍体植株的原因是花药细胞中含有本物种的全部遗传信息，尽管遗传物质是体细胞的一半，但仍具有细胞全能性。A.
正确
B.
错误
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举一反三
【单选题】Conflicts may be aroused except ______.
A.
when the person needs longer pauses while the other needs short pauses
B.
when the person's conversational style. is marked by frequent pausing
C.
when the person thinks pauses are too short while the other thinks they may create awkward silences
D.
when the person wonders why the other stops while the other thinks why his or her partner is so talkative
【判断题】Pauses that are filled with “uh’s, “um’s,” etc., are called vocalized pauses, or fillers, and are unavoidedable
A.
正确
B.
错误
【多选题】下列关于铰刀的描述正确的有( )。
A.
铰刀分为手铰刀和机铰刀两种
B.
手铰刀柄部为直柄
C.
机铰刀多为锥柄
D.
圆柱形铰刀只有固定式一种
E.
圆锥铰刀有固定式和可调式两种
【单选题】What is the author's attitude towards pauses in conversations?
A.
Aggressive.
B.
Neutral.
C.
Critical.
D.
Positive.
【单选题】According to the passage, who are likely to expect the shortest pauses between turns?
A.
Americans.
B.
Israelis.
C.
The British.
D.
The Finns.
【简答题】学前英语教育的五种常用的方法分别是___________,__________,___________,__________, ___________
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