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【单选题】
人的个性特征有许多类型,对价格比较敏感的购买风格是( )
A.
习惯型
B.
理智型
C.
经济型
D.
冲动型
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参考答案:
举一反三
【单选题】离心式压缩机大修的检修周期为()个月。
A.
6
B.
12
C.
18
D.
24
【单选题】— How did you like the lecture tonight? — Very__________.I doubt if I will come to this kind of lecture next time. [     ]
A.
encouraging
B.
encouraged
C.
disappointing
D.
disappointed
【单选题】---How did it _________ that all the flowers died ? ---I had forgotten to water them.
A.
come on
B.
come up
C.
come about
D.
come along
【单选题】夜间行车中,如果灯光照射(),有可能是车辆前方出现急转弯或大坑。
A.
由远及近
B.
离开路面
C.
距离不变
D.
由高变低
【单选题】I was really busy these days, otherwise I _______ to your birthday party last night.
A.
came
B.
did come
C.
should have come
D.
would have come
【单选题】— Did you usually come to school by bike? — _____. But I sometimes walked. [     ]
A.
Yes, I didn't
B.
No, I did
C.
Yes, I did
D.
No, I don't
【单选题】虚拟语气 I did not see your sister at the meeting. If she ____, she would have met my brother A. has come B. did come C. come D. had come
A.
has come
B.
did come
C.
come
D.
had come
【单选题】真实气体在什么状态下其行为会接近理想气体:
A.
低温高压
B.
常温低压
C.
高温高压
D.
高温低压
【单选题】当温度为 20摄氏度时,二极管的导通电压为0.7V ,若其他参数不变,当温度升高到40摄氏度时,二极管的 导通电压将( )。
A.
等于0.7V
B.
小于0.7V
C.
大于0.7V
D.
与外接电源有关
【单选题】.与闭环系统相比较,开环系统主要是没有________。
A.
执行机构
B.
反馈环节
C.
调节单元
D.
显示单元
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