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【判断题】
在 [Cu(en) 2 ] 2+ 配 合物中, Cu 2+ 的配位数是2。A.
正确
B.
错误
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举一反三
【单选题】Because I got up very late this morning,______ I was late for class.
A.
but
B.
/
C.
so
【单选题】They were up very late because______.
A.
it was Sunday morning
B.
they were not very sleepy
C.
they were preparing for the dinner
D.
they saw the great fire start
【简答题】They were up very late because [A]it was Sunday morning [ B ] they were not very sleepy [C] they were preparing for the dinner [D] they saw the great fire start
【简答题】Jim is often late for school ,the teacher is very _a_________ with him．
【单选题】. --Were you late for the film? --Very late. Half of it ________ by the time we ________ the cinema.
A.
was shown; reached
B.
had been shown; reached
C.
was shown; had reached
D.
had been shown; had reached
【单选题】Mr Zhou is very _______ with his students. He asks them not to be late. If they are late, they have to stay outside the classroom until the next class.
A.
welcome
B.
patient
C.
strict
D.
happy
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