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【单选题】
横骨架式船体结构的优点是:1横向与局部强度好;2舱容利用率低;3结构简单;4装卸方便
A.
②③④
B.
①~④
C.
①②④
D.
①③④
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举一反三
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A.
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B.
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C.
mustn't
D.
can't
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mustn't
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needn't
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can't
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【单选题】―Must we clean the classroom now? ―No ,you needn't. It .
A.
must clean after school
B.
cleans after school
C.
won't clean today
D.
can be cleaned after school
【单选题】下列 成语中的“备”,意义与“圣心备焉”的“备”相同的一项是
A.
德才兼备
B.
有备无患
C.
攻其不备
D.
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【单选题】下列成语中“备”字的意义与“圣心备焉”中的“备”相同的一项是
A.
德才兼备
B.
有备无患
C.
功其不备
D.
求全责备
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A.
正确
B.
错误
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A.
found
B.
finance
C.
filter
D.
fiber
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A.
needn't; may
B.
needn't; must
C.
mustn't; can
D.
mustn't; may
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A.
must
B.
needn’t
C.
aren’t
D.
mustn’t
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