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【判断题】
墨子的主张是“兴天下之利,除天下之害”。()
A.
正确
B.
错误
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举一反三
【单选题】立克次体与细菌的主要区别是()
A.
立克次体有细胞壁和核糖体
B.
立克次体含有DNA和RNA两种核酸
C.
立克次体以二分裂方式繁殖
D.
立克次体能人工培养
E.
立克次体是严格的细胞内寄生
【单选题】He studied hard at school when he was young, __________ contributed a lot to his success.
A.
which
B.
therefore
C.
that
D.
what
【简答题】He was made ______ hard. A) to study         B) study        C) studying      D) studied
【单选题】He had studied hard, he would have been able to pass the exam.
A.
He had studied harder
B.
if only he studied more
C.
Had he studied harder
D.
When he studied more
【简答题】He studied very hard all the time because he didn’t want to _____in his studies. A. fall behind   B. be left behind   C. left behind   D. Both A and B
【单选题】He studied hard at school when he was young, ______ contributes to his success in later life.
A.
which
B.
that
C.
what
D.
each of which
【单选题】SQL对应的中文名称为()。
A.
结构化定义语言
B.
结构化控制语言
C.
结构化查询语言
D.
结构化操纵语言
【单选题】语言形式通常指语音、语法、词汇等语言的结构体系,也称为()。
A.
语言规则
B.
语言体系
C.
语言结构
【单选题】SQL语言的中文名称为( )。
A.
结构化语言
B.
程序语言
C.
查询语言
D.
结构化查询语言
【单选题】He has studied very hard ____ he came to our school.
A.
for
B.
in
C.
since
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