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【判断题】
在如图所示刚体上的A点作用一已知力F，则一定可在B点加一个力使刚体平衡。A.
正确
B.
错误
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举一反三
【单选题】We don't have enough money to________until next month. [ ]
A.
spend
B.
continue
C.
take
D.
last
【简答题】数据寄存器D存放 位二进制的数据，其中最高位为符号位。
【简答题】数据寄存器D存放( )位( )进制的数据,其中最高位为( ),当最高位为1时为( )数。
【判断题】The attractions of a destination can be artificial features, natural features or events.
A.
正确
B.
错误
【简答题】What types of tourists have you noticed in the following essay?Florida’s Trapped TouristsFlorida is the nation's virtual melting pot for many reasons. One of thebiggest reasons is that the state is aw...
【单选题】My mother doesn't want me to collect toys, ______ we don't have enough room. [ ]
A.
but
B.
although
C.
so
D.
because
相关题目：
【单选题】We don't have enough money to________until next month. [ ]
A.
spend
B.
continue
C.
take
D.
last
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知识点：
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