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【简答题】
声音的强弱叫做______，其大小是由振幅决定的，敲鼓时，用力越大，声音越响就是因为______．
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【简答题】通过抑制胆碱酯酶，产生拟胆碱活性的药物是
【单选题】We learn from the passage that people classify a person into certain type according to ______.
A.
his way of acting and thinking
B.
his way of speaking and behaving
C.
his learning and behavior
D.
his physical appearance and his personality
【单选题】以下成语填入横线部分最恰当的一项是( ) 据说泰山是古代名匠鲁班的弟子,天资聪颖,心灵手巧,干活总是 _______ ,但往往耽误了鲁班的事,于是惹恼了鲁班,被撵出了“班门”。
A.
巧夺天工
B.
别出心裁
C.
尽善尽美
D.
任劳任怨
【简答题】通过抑制胆碱酯酶，产生拟胆碱活性的药物是 查看材料
【单选题】It may be inferred that the author would classify which of the following modes of behavior. as a referential symbol that originally derived from a condensation symbol?
A.
Vocalizing inarticulately in order to express rage without using words
B.
Writing a pictographic character that vaguely resembles a physical object
C.
Flag signaling where the flag movement relies on an existing arbitrary code
D.
The use of right-lane highways by general agreement
E.
Genuflection to indicate one's willingness to serve in a situation
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