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【单选题】
I did not attend the lecture by Pro. Jackson. I ____ but I ____ all this morning.
A.
would; have washed
B.
could; have been washing
C.
would have; have been washing
D.
could have; had washed
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皮皮学刷刷变学霸
举一反三
【单选题】为了除去正己烷中的少量己烯,采用下列哪种方法最好?
A.
臭氧分解,然后碱洗
B.
浓硫酸洗
C.
Pd +H2
D.
用Br2处理,然后蒸馏
【判断题】压缩蒸汽制冷循环采用节流阀来代替膨胀机,压缩空气制冷循环也可以采用这种方法。
A.
正确
B.
错误
【单选题】--- Thank you for helping me so much ! --- _________ .
A.
Don’t thank me
B.
All right
C.
Don’t say so
D.
You’re welcome
【单选题】-Thank you! Mille and Kitty. It was kind of you to recommend me as the new chairperson. - .
A.
Don’t say so
B.
Better not
C.
Certainly not
D.
It’s our pleasure
【简答题】从抗噪声能力角度出发,模拟调制系统中的()系统性能最好
【单选题】You don’t say !
A.
你别说!
B.
真的吗
【判断题】压缩蒸汽制冷循环采用节流阀来代替膨胀机,压缩气体制冷循环也可以采用这种方法。 ( )
A.
正确
B.
错误
【单选题】— Thank you for your delicious dinner. — ___________________.
A.
Don’t say that.
B.
I don’t think so.
C.
I’m glad you enjoyed it .
【单选题】24岁男患,车祸时发生右股骨粉碎性及开放性骨折,在送往医院途中,该患者出现面部青紫,呼吸困难,口吐白沫而亡,其最可能的死因是
A.
心肌梗死
B.
气体栓塞
C.
脂肪栓塞
D.
脑出血
E.
气胸
【单选题】In an interview, don’t say anything negative about your employer---it gives a bad______.
A.
attitude
B.
experience
C.
decision
D.
impression
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