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【简答题】
原理图要说明的是电路元件之间的连接关系,包含两个对象,即 与 之间的连接。
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皮皮学刷刷变学霸
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【单选题】听力原文：M: Well, that was delicious! Thanks very much indeed. . . I didn't know you were such a good cook, Brenda. W: Thank you, Richard. M: If you like, I could do the washing-up. W: No, don't bother, I...
A.
He offered to get the ashtray.
B.
He offered to make coffee.
C.
He offered to do the washing-up.
D.
He offered to drive the woman to the phone.
【简答题】Diaphragm valves use a flexible and to regulate flow. The handwheel operates just like the handwheel on valve. The is attached to a device called the . The compressor pushes on a flexible diaphragm. T...
【简答题】The party( )very well, thanks.
【多选题】关于阿司咪唑的描述正确的是
A.
为丙胺类H1受体拮抗剂
B.
在体内经代谢转化为活性药物
C.
对中枢神经系统渗透性很差，无嗜睡作用
D.
长效抗过敏药
E.
无局部麻醉作用和抗胆碱作用
【判断题】Diaphragm valves are used to transfer a variety of slurries, corrosive or sticky substances from place to place.
A.
正确
B.
错误
【单选题】-- Well, thanks very much. -- _________.
A.
My pleasure
B.
No thanks
C.
It doesn't matter
【单选题】Well, thanks very much for_________ my talk. Are there any questions?
A.
listening to
B.
looking at
C.
hearing to
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