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【判断题】
在吸气量和距离相同的情况下,四周有挡板的吸气口的吸气速度比无挡板的吸气口大一倍。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】It was (him) who did all the work (on) the invention, but somebody (else) got (all the credit).
A.
him
B.
on
C.
else
D.
all the credit
【简答题】Who is carrying the heaviest of all?
【简答题】The teacher said there were twelve _____ who had failed in the exam. A at all B in all C all in D all in all