switch

转变，改变vv

At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly _________ to another subject. switch to another subject： 转换到另一个话题。句意： 演讲人一开始谈的是该国的污染问题， 但讲到一半时她突然转换到另一个话题上。commit： 犯(罪)； favour： 赞成， 相当于support或prefer； transmit： 传送， 传递。214transmitted

1 switch on接通，开启

2 switch off（用开关）关掉；切断（电源）

3 switch in接通；合闸

4 control switch控制开关

5 power switch电源开关

6 light switch灯开关；照明开关

7 optical switch光开关

8 switch control开关控制；转接控制

9 pressure switch压力开关

10 membrane switch薄膜开关，膜片开关

11 switch over转接；转做另一工作

12 limit switch[电]限位开关；极限开关

13 main switch总开关；主闸

14 switch cabinet开关柜；配电箱

15 photoelectric switch光电开关；光电式开关掣

16 electric switch电开关，电门，电闸

17 ignition switch点火电门，点火开关

18 foot switch脚踏开关；脚踏电门

19 vacuum switch真空开关；电子开关

20 electronic switch电子开关

1 真题例句...and so he did not switch to the manual mode...CET42017.6听力题

2 真题例句...Leah shed the safety of her accounting job and made the switch complete...第二套CET42017.6阅读理解

3 真题例句...Those who do make the switch are finding they have more support...CET42009.6阅读理解

1 The terrorists will switch tactics ..恐怖分子会改变战术。