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【单选题】
启动离心泵时,出口阀关死,否则容易发生()现象。
A.
跳闸
B.
泵抽空
C.
汽蚀现象
D.
泵体振动
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参考答案:
举一反三
【单选题】. As I am not feeling well, I really appreciate __________ to take my place.
A.
him offer
B.
for him to offer
C.
his offering
D.
him to offer
【单选题】I desire to make friends with him, but ________ I am worried that I can't get along well with him. [     ]
A.
on the whole
B.
on the other hand
C.
as a matter of fact
D.
first of all
【单选题】I am angry _____ him because he broke the glass.
A.
at
B.
with
【单选题】I was angry _______ him for keeping me waiting.
A.
with
B.
to
C.
about
D.
on
【单选题】分娩中协助胎先露在盆腔中内旋转的肌肉是
A.
子宫平滑肌
B.
会荫浅横肌
C.
会荫深横肌
D.
肛门括约肌
E.
盆底肛提肌
【简答题】听录音,选出与你所听到的内容相符的图片。 (     ) 1. A. B. C. D. (     ) 2. A. 19 B. 16 C. 18 D. 90 (     ) 3. A. B. C. D. (     ) 4. A. 12 B. 14 C. 17 D. 70
【简答题】I am angry him because he broke the glass.(at/with)
【单选题】将二进制数10110110111101转换成十六进制数为( )。 A.16
A.
F8 B.16D.F4 C.16E.F5 D.16
B.
F3
【简答题】______ A.14 B.16 C.17 D.22 A. B. C. D.
【简答题】Listening Comprehension . 1. A. $ 16 B. $8 C. $ 32 D. $ . 2. A. In the bakery B. In a bank C. On a farm D. In a restaurant 3. A. Winter is his favorite time for sports. B. He shouldn't be more enthu...
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