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【单选题】
下列说法错误的是 [     ]
A.
玻璃钢是以玻璃纤维作增强体，合成树脂作基体的复合材料
B.
飞机机身的复合材料大多是以增强体、纤维为基体的复合材料
C.
制造网球拍用的复合材料是在合成树脂的基体中加入了碳纤维作增强体
D.
航天飞机机身上使用的隔热陶瓷瓦是由纤维和陶瓷复合而成的材料制成的
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参考答案：
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【简答题】Listed below are some possible audiences. What might they be interested in reading about? Choose topics from the box and match them up with a possible audience. Some topics might match with more than ...
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【单选题】Sociolinguistics is concerned with the ethnography of speaking, that is, with cultural and subcultural patterns of speech variation in different social contexts. The sociolinguist might ask, for examp...
A.
A foreigner may be familiar with the English language but not with the appropriate topics for making small talk.
B.
North Americans may not respond appropriately to greetings in other societies.
C.
Conversation differs around the world.
D.
Sociolinguists are interested in how speech is used in different cultures and different social contexts, such as in making small talk and greeting people.
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【判断题】二位五通单电气控阀是双稳态元件。
A.
正确
B.
错误
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【单选题】下列阀中是双稳态元件的是( )。
A.
二位三通手动换向阀
B.
二位三通单气控阀
C.
二位五通单电控阀
D.
二位五通双电控阀
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【简答题】What might be the good topics of your conversations with foreigners?
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【多选题】what topics might be discussed at a WFE meeting?
A.
a evironmental prection movement
B.
a finiancial crisis
C.
a regional war
D.
a Oscar winning movie
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【多选题】请选出公式 的主合取范式包含的所有极大项(不定项选择)
A.
B.
C.
D.
E.
F.
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【简答题】请选出公式 的主合取范式包含的所有极大项(不定项选择) (2.0分)A. B. C. D. E. F. G.
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【判断题】在学习民歌的基础上,创造并发展了“楚辞”这一新的诗歌样式的伟大诗人是陆游。
A.
正确
B.
错误
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【简答题】普通螺纹的公称直径是指螺纹 的基本尺寸,管螺纹的公称直径是 。
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相关题目：
【简答题】Listed below are some possible audiences. What might they be interested in reading about? Choose topics from the box and match them up with a possible audience. Some topics might match with more than ...
查看完整题目与答案
【单选题】Sociolinguistics is concerned with the ethnography of speaking, that is, with cultural and subcultural patterns of speech variation in different social contexts. The sociolinguist might ask, for examp...
A.
A foreigner may be familiar with the English language but not with the appropriate topics for making small talk.
B.
North Americans may not respond appropriately to greetings in other societies.
C.
Conversation differs around the world.
D.
Sociolinguists are interested in how speech is used in different cultures and different social contexts, such as in making small talk and greeting people.
查看完整题目与答案
【判断题】二位五通单电气控阀是双稳态元件。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列阀中是双稳态元件的是( )。
A.
二位三通手动换向阀
B.
二位三通单气控阀
C.
二位五通单电控阀
D.
二位五通双电控阀
查看完整题目与答案
【简答题】What might be the good topics of your conversations with foreigners?
查看完整题目与答案
【多选题】what topics might be discussed at a WFE meeting?
A.
a evironmental prection movement
B.
a finiancial crisis
C.
a regional war
D.
a Oscar winning movie
查看完整题目与答案
【多选题】请选出公式 的主合取范式包含的所有极大项(不定项选择)
A.
B.
C.
D.
E.
F.
查看完整题目与答案
【简答题】请选出公式 的主合取范式包含的所有极大项(不定项选择) (2.0分)A. B. C. D. E. F. G.
查看完整题目与答案
【判断题】在学习民歌的基础上,创造并发展了“楚辞”这一新的诗歌样式的伟大诗人是陆游。
A.
正确
B.
错误
查看完整题目与答案
【简答题】普通螺纹的公称直径是指螺纹 的基本尺寸,管螺纹的公称直径是 。
查看完整题目与答案
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