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【单选题】
(3 ) what does the author compare writing and public speaking?A.
Writhing needs more experience and imagination than public speaking
B.
Both writing and public speaking require great effort
C.
Writhing is just as imagination as public speaking
D.
Writhing is not as natural as public speaking
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反馈参考答案：
举一反三
【单选题】在外文数据库中使用“ oil ” 和“ economic ” 进行检索,以下哪种检索式检索结果最多? ( )
A.
Title = oil
B.
Abstract = oil
C.
Title = oil and economic
D.
Title = oil and Abstract = economic
【简答题】影响国际贸易的自然地理因素有哪些?
【单选题】纤维素、纤维素酶、纤维素酶基因的基本组成单位分别是 [ ]
A.
葡萄糖、葡萄糖和氨基酸
B.
葡萄糖、氨基酸和核苷酸
C.
氨基酸、氨基酸和核苷酸
D.
淀粉、蛋白质和DNA
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