儿童与同伴交往的能力和水平是衡量个性和社会性成熟的重要标志。()
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隔水式电热恒温培养箱的温度变化范围一般为()。
A. 0～120℃
B. 50～120℃
C. 3～65℃
D. 0～85℃
海牙国际私法会议是在国际私法统一进程中发挥了巨大作用的国际组织。()
Do they have______air-conditioners for cooling the room in summer？
A. a bit of
B. enough
C. a great deal of
D. many a
The primary goal of Informative Speaking is______.
A. to let audience learn something
B. to influence what an audience thinks or does
C. to take precautions against counterpersuasion
D. to motivate an audience to act
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