用墨斗弹线时，为使墨线弹得正确，提起线绳要( )。A．与工件面垂直 B．保持垂直

A green life sometimes just needs a good idea like sharing cars共车. It’s a new way of thinking. You can use a car but you don’t need to own it. Now the idea of “car sharing” has become       in many countries.

As we know, most cars are parked in garages for much time. In fact, we drive our own cars as long as one or two     a day on average. When we don’t use them, we have to pay for parking and      things. That coats too much money. To save money, some people come up with the idea of “car sharing”. If we share a car, we’ll only         when we use it.

Now many people are starting to do car sharing. In Switzerland, almost 40.000 people have joined it. Japan is also trying to make     popular around the country.

小题1:A popular         B. interesting        C. funny

小题2:A. hour           B. hours            C. minutes

小题3:A. other          B. others            C. another

小题4:A. spend          B. cost            C. pay

小题5:A. time saving      B. money saving     C. car sharing

新安装乘客电梯的层门周边运动间隙应不大于（）mm。

A.5

B.6

C.7

D.8

中国人民银行是哪一级政府机关______

A．省级
B．市级
C．局级
D．部级

观感质量

泄漏流量分为内部泄漏和（）两部分。液压泵的泄漏流量大小取决于其运动副的间隙、工作压力和（）等因素。