题目内容
18．--Zigong is becoming more and more beautiful!--Yes．Lots of trees and flowers these years（ ）
| A． | are planted | B． | will be planted | ||
| C． | have been planted |
分析 -自贡正变得越来越美丽！
-是的，这些年种植了大量的树和花．
解答 答案：C trees and flowers作主语应该用被动语态；时间状语these years表明要用现在完成时，故选C．
点评 此题考查现在完成时的被动语态，根据主语及时间状语弄清语态和时态．
练习册系列答案
相关题目
9．
A loud noise suddenly hurts your ears while you enjoy a film in the cinema．A stranger makes you jump as he shouts at his friend on the other side of the city．Mobile phones are everywhere and sometimes they can be very annoying．Although they are necessities（必需品） of modern life，it is common to hear people complain about（抱怨） mobile phones．
Most public places have mobile phone rules．So try to keep your phone ring as low as possible or put it on vibrate mode（振动模式）．It is good to leave your phone at home when you would be at school or when visiting a hospital．
If you need to make or take a call while in a meeting，at a restaurant or a theatre，go to the washroom．If you are expecting a call，get a seat near the door．It is polite to tell others at the beginning that you are expecting an important call．When you get a call and you are with friends，keep the call short and speak quietly．
A good way to make sure that people don't interrupt（打断）you and others is to tell your friends when it's a good time to call．
根据短文内容，补全表格．
A loud noise suddenly hurts your ears while you enjoy a film in the cinema．A stranger makes you jump as he shouts at his friend on the other side of the city．Mobile phones are everywhere and sometimes they can be very annoying．Although they are necessities（必需品） of modern life，it is common to hear people complain about（抱怨） mobile phones．Most public places have mobile phone rules．So try to keep your phone ring as low as possible or put it on vibrate mode（振动模式）．It is good to leave your phone at home when you would be at school or when visiting a hospital．
If you need to make or take a call while in a meeting，at a restaurant or a theatre，go to the washroom．If you are expecting a call，get a seat near the door．It is polite to tell others at the beginning that you are expecting an important call．When you get a call and you are with friends，keep the call short and speak quietly．
A good way to make sure that people don't interrupt（打断）you and others is to tell your friends when it's a good time to call．
根据短文内容，补全表格．
| In most public places | Keep your phone ring as （66）low．as possible or put it on vibrate mode． |
| At school or when visiting a hospital | （67）leaveat home． |
| In a meeting，at a restaurant or a theatre | If you need to make a call，（68）go to the washroom．If you are waiting for a call，you should （69）sit near the door． |
| When you get a call and you are with friends | （70）keep the call short and speak quietly． |
6．Lucy is__ good girl．She often helps others．（ ）
| A． | a | B． | an | C． | the | D． | / |
13．We have to__ourselves when we are away from home．（ ）
| A． | look at | B． | look for | C． | look up | D． | look after |
3．He is getting fat， he has decided to go to work on foot．（ ）
| A． | so | B． | though | C． | and |
10．The lovely girl is from Class6．____ name is Alice．（ ）
| A． | Her | B． | His | C． | Your | D． | Its |
8．-Would you like tea or coffee？
- is OK．I really don't mind．（ ）
- is OK．I really don't mind．（ ）
| A． | None | B． | Either | C． | Neither | D． | Both |