皮皮学，免费搜题
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【单选题】
要从学生关系中查询学生的姓名和班级,则需要进行的关系运算是( )A.
选择
B.
关系
C.
投影
D.
连接
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】I ______ the novel by the time you ______ back next week.
A.
have finished, will come
B.
shall have finished, come
C.
shall be finished, are going to come
D.
finish, come
【单选题】Speaker A: Billy， have you heard the latest news? It appears that we won‘t be laid off （解雇） after all. Speaker B :__________
A.
Congratulations. We are going to get promoted.
B.
Great. We are going to have a new job.
C.
Oh， somehow I' m tired of working here anyway.
D.
Really. We are not going to resign from our post.
【单选题】After he __ himself, he tried hard to stand up.
A.
came up
B.
came to
C.
came over
D.
came on
【简答题】“四讲四有”合格党员的标准是什么?
【简答题】“四有”合格党员的标准是指哪“四有”?(简答题)
【单选题】― Have you finished your composition already, Jack? ― Yes. I _____ it within half an hour.
A.
have finished
B.
finish
C.
finished
D.
will finish
【简答题】“两学一做”关键在做，做合格党员。合格党员的标准是原则的，也是具体的。新形势下合格党员的标准是什么？
【单选题】--What ____________when I phoned you? ----I_____________and began to have a bath.
A.
had you done; finished
B.
were you doing; had just finished
C.
did you do; had just finished
D.
were you doing; was finishing
【简答题】“两学一做”做合格党员的标准是什么? (简答题)
【单选题】--- It took me two hours or so to walk here. --- But you ______ here in Billy’s car.
A.
could have come
B.
must have come
C.
must come
D.
could come
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