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【单选题】
活性污泥法正常运行的必要条件是( )A.
DO
B.
营养物质
C.
大量微生物
D.
良好的活性污泥和充足的氧气
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皮皮学刷刷变学霸
举一反三
【单选题】在下面的 DO 循环中,一共要循环 ______ 次。 m = 5 n = 1 Do While n <= m n=n + 1 Loop
A.
3
B.
4
C.
5
D.
6
【简答题】下面的DO循环中,-共循环( )次。
(A) 1 (B) 6 (C) 4 (D) 5M=5
N=1
do {N=N+1;
}while(N<=M);A.B.C.D. D
【单选题】All details should be carefully checked. Nothing should be __________.
A.
born in mind
B.
put up with
C.
taken for granted
D.
taken into consideration
【简答题】A.He should eat a little food. B.He should eat nothing. C.He should eat as much as possible. D.He can eat what he likes.
【单选题】I should say that we two have nothing ____.
A.
with common
B.
in time
C.
in common
D.
in need
【简答题】He ordered that nothing ________ until the police arrived. A: was touched B; should be touched C; had been touched
【单选题】The boy insisted that he __________ nothing wrong and that he __________ at once.
A.
did, should be set free
B.
should do, must be set free
C.
do, should be set free
D.
did, must be set free
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