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【单选题】
当材料的润湿边角为()时,称为憎水性材料。A.
＞90°
B.
≤90°
C.
45°
D.
0°
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反馈参考答案：
举一反三
【单选题】Anxiety over public speaking can be reduced by:（）
A.
Becoming familiar with the technology in your presentation.
B.
Presenting a familiar subject.
C.
Preparing well ahead of time.
D.
All of the answer.
【简答题】请举例提供下列资讯的网站:电子新闻、电子图书、电子报刊、研究报告、论文
【单选题】Anxiety over public speaking can be reduced by:
A.
All of the answer.
B.
Preparing well ahead of time.
C.
Becoming familiar with the technology in your presentation.
D.
Presenting a familiar subject.
【单选题】Anxiety over public speaking can be reduced by:
A.
Preparing well ahead of time.
B.
Becoming familiar with the technology in your presentation.
C.
Presenting a familiar subject.
D.
All of the above.
【多选题】Public speaking can be divided into ( )
A.
introductory speech
B.
informative speech
C.
persuasive speech
D.
commemorative speech
【单选题】指出下列对定义重载函数的要求中,哪些是错误的提法。
A.
要求参数的个数不同。
B.
要求参数中至少有一个类型不同。
C.
求函数的返回值不同。
D.
要求参数的个数相同时，参数类型不同。
【简答题】Public speaking can make you more___.
【单选题】Anxiety over public speaking can be reduced by:
A.
Preparing well ahead of time.
B.
Becoming familiar with the technology in your presentation.
C.
Presenting a familiar subject.
D.
All of the answer.
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