题目内容
Our earth is getting warmer and warmer. It is time for us to_____ the emission(排放) of CO2.
| A．break down | B．cut in | C．cut down | D．cut off |
C
解析试题分析：考查短语辨析。A. break down抛锚；B. cut in插嘴；C. cut down消减；D. cut off切断。句意：我们的地球变得越来越暖，是该我们消减二氧化碳排放的时候了。故C正确。
考点：考查短语辨析
轻松课堂单元测试AB卷系列答案
小题狂做系列答案A charity campaign to offer care to the elderly in our city attracted many participants on March 5 ----“Learn from Lei Feng Day”, a day _________ to honor the spirit of helping others.
| A．set off | B．set about | C．set aside | D．set out |
The rescuers _______ to work as soon as they arrived at the spot of the accident.
| A．set out | B．set off | C．set up | D．set in |
After several rounds of the Voice of China Competition，Ji Ke Jun Yi because of her excellent voice and performance．
| A．put out | B．picked out | C．broke out | D．stood out |
The young man was by his grandma in London，so he can speak standard British English．
| A．brought up | B．caught up | C．made up | D．showed up |
It's going to rain.Tom，will you please help me________the clothes on the line?
| A．get off | B．get back | C．get in | D．get on |
Julia is running into the church on such a windy day, with one hand raised to her hat.
| A．catch up with | B．let go of | C．get rid of | D．hold on to |
Oh, much smoke here! Somebody ________ the window, please.
| A．opens | B．open |
| C．shall open | D．will open |