题目内容

低压交流电动机应装设短路保护和接地故障保护。()

A. 正确
B. 错误

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WEATHER REPORT
Forecasts for some major Chinese cities
Foreign cities
CityMaxMinWeatherCityMax
Min Beijing2417clearBangkok3328
Changchun2206cleardrizzle to cloudy
Chengdu2520overcast
Chongqing3424cloudyCairo3021
[5]clear
Dalian2317cloudy
Fuzhou3123light rainFrankfurt1410
[5]cloudy to light rain
Guangzhou3524clear
Hong Kong3226clear to cloudyLondon1411
Kunming2617clear to cloudydrizzle to cloudy
Lhasa2111cloudy
Nanjing2720overcastMoscow2113
Shanghai2822cloudyclear to cloudy
Taipei2923light rain
Tianjin2717cloudy to clearNew York2315
Wuhan3022clearclear to cloudy
Urumqi2210clear to cloudy
TEXT J
First read the following questions.
87. If you need travel shop information, you should go to ____.

A. Guide Friday Tourism Centre.
B. Tourist Information Centre.
C. Library.
D. Post Office.

听力原文：M: Let's see now. They can park fifteen cars in that back lot, can't they？
W: Oh, didn't you know？ They've doubled the capacity.
How many cars can be parked in the back lot？

A total of 15.
B. A total of 30.
C. A total of 50.

在生产和生活中所使用的机器中,经常需要某些机构的主动件作连续运动时,从动件能生“动作———停止———动作”的运动,这种机构称为()机构。

A. 间歇运动
B. 连续运动
C. 空间运动
D. 平面运动

销售或者购买商品时，在账外暗中给予对方单位或者个人回扣的，以（）。E．