Which of the following is true about the hope of car manufacturers according to the last paragraph ？
A. Low-emission cars should be banned.
B. Only zero-emission cars are allowed to run on motorways.
C. The legislation will encourage car makers to produce more electric cars.
D. The legislation will allow more low-emission to be produced.
查看答案
A．atB．onC．ofD．over
A. at
B. on
C. of
D. over
According m Tim Holmes of Ford Europe, battery-powered cars
A. will be the main transportation vehicles in the future.
B. will not be the main transportation vehicles in the future.
C. will be good to the environment in the future.
D. will replace petrol-powered vehicles in the future.
A．ifB．thoughC．asD．whether
A. if
B. though
C. as
D. whether
在PowerPoint2000中，已创建的演示文稿也可以在没有安装PowerPoint2000软件的计算机上播放。要实现此功能，应对演示文稿执行_______操作。
A. 设置自定义放映
B. 设置放映方式
C. 打包
D. 发送
微信支付 
支付宝支付