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【单选题】
题干: 20m≤L<50m 船舶的拖带灯最小能见距离为:A.
5海里
B.
3海里
C.
2海里
D.
1海里
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【简答题】语法作业5倒装句 • 2) He missed the train home last night.—So ____.
【单选题】语法作业5倒装句 • 4) Only under special circumstances _____ to take make-up tests.
A.
are freshmen permitted
B.
freshmen are permitted
C.
are permitted freshmen
D.
permitted are freshmen
【简答题】二元弱酸(H2CO3)的质子条件式为( ) A．[H＋]=＋＋[OH－] B．[H＋]=2＋＋[OH－] C．[H＋]=2＋2＋[OH－] D．[H＋]=＋＋2[OH－二元弱酸(H 2 CO 3 )的质子条件式为( )
【单选题】语法作业5倒装句 • 1) __________, he is not happy.
A.
As he is rich
B.
Whereas he is rich
C.
Rich as he is
D.
So rich is he
【单选题】语法作业5倒装句 • 2) He missed the train home last night.—So ____.
A.
have I
B.
did me
C.
he did
D.
I did
【简答题】语法作业5倒装句 • 1) __________, he is not happy.
【单选题】二元弱酸H 2 CO 3 水溶液(c mol/L)的质子条件式为( )
A.
[H + ]=[HCO 3 - ]+[CO 3 2- ]+[OH - ]
B.
[H + ]=2[HCO 3 - ]+[CO 3 2- ]+[OH - ]
C.
[H + ]=[HCO 3 - ]+2[CO 3 2- ]+[OH - ]
D.
[H + ]=[HCO 3 - ]+[CO 3 2- ]+2[OH - ]
【简答题】语法作业5倒装句 • 2) He missed the train home last night.—So ____.A. .
have I B. did
me C. he
did D. I
did
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