皮皮学，免费搜题
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【单选题】
方程式中的( )项表示单位质量流体通过泵(或其他输送设备)所获得的能量,称为有效功。A.
gz
B.
C.
D.
we
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【简答题】联系实际论述社会主义道德建设要以诚实守信为重点。
【单选题】As the chairman of the students' union, Thomas was said ______ other students in need.
A.
to help
B.
to be helping
C.
to have helped
D.
to have been helped
【简答题】At school the students need to increase their knowledge in an organized way and __________________(获得足够的科学词汇来进行有效的学术交际)
【单选题】-Do you have enough students to clean the laboratory? -No, I think we need ___________ students. [ ]
A.
another
B.
two others
C.
more two
D.
two more
【判断题】Students need to buy insurance by themselves once enrolled in British universities and it is a compulsory requirement for every student.()
A.
正确
B.
错误
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