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【单选题】
构件在平面中一般有( )个自由度。A.
1
B.
2
C.
3
D.
0
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反馈参考答案：
举一反三
【简答题】阅读理解。 When you have a question about something, where do you go? For many people the answer is as they can go online to a search engine like Google or Yahoo. But what about people in rural or u...
【单选题】They put forward a proposal at the meeting cutting down the high housing price. [ ]
A.
aims at
B.
aimed at
C.
to aim at
D.
aim at
【单选题】The boy's rudeness shocked them. They put down the boy's rudeness to his parents' having spoiled him. 请选择最佳答案
A.
They were shocked by the boy's rudeness, which was put down to his having been spoilded by his parents.
B.
They were shocked by the boy's rudeness，they put down the boy's rudeness to his having been spoiled by his parents.
C.
They had been shocked by the boy's rudeness, the boy's rudeness was put down to his parents' having spoiled him.
D.
They had been shocked by the boy's rudeness, which was put down to his having been spoilded by his parents.
【单选题】Nowadays many people have trouble ______
A.
sle e p
B.
asle e p
C.
sleeping
D.
s l ep t
【简答题】下列关于台式机的特点,错误的是
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