The mobile phone has changed people's life a lot it was invented．( )A．untilB．sinceC．beforeD．after 题目和参考答案——青夏教育精英家教网—

精英家教网 > 初中英语 > 题目详情

18．The mobile phone has changed people's life a lot ________ it was invented．（　　）

A．

until

B．

since

C．

before

D．

after

分析自从发明了手机，它已经大大地改变了我们的生活．

解答答案：B．
Until直到…时，since，自从…以来，引导时间状语从句，主句用现在完成时，before，在…之前；after在…之后．根据The mobile phone has changed people's life a lot，可知主句使用了现在完成时，所以后面用since引导．故选B．

点评理解各个选项的含义，根据上下文的语境进行作答．

练习册系列答案

年级	高中课程	年级	初中课程
高一	高一免费课程推荐！	初一	初一免费课程推荐！
高二	高二免费课程推荐！	初二	初二免费课程推荐！
高三	高三免费课程推荐！	初三	初三免费课程推荐！
更多初中、高中辅导课程推荐,点击进入>>

相关习题

科目：初中英语 来源： 题型：填空题

18．I have some good friends．I often play withthem．（they）

查看答案和解析>>

科目：初中英语 来源： 题型：阅读理解

9．Mobile phone has become a problem for middle schools．Some middle schools in Australia have banned（禁止） students from carrying mobile phones during school hours．
Mobile phone use among children has become a problem for schools．Several children have got mobile phones from parents and friends as Christmas gifts，and more students will want them．
Lucy Bluett，an expert，said mobile phone use was a distraction（分心的事） to students during school hours．Teachers were also saying that sometimes students might use phone messages to cheat during exams．
She said some schools had tried to ban mobile phones．Some parents felt unhappy because they couldn't call up their children．
Many teachers said students should not have mobile phones at school，but if there was a good reason，they could leave their phones at school office．
Many people say that they understand why parents would want their children to have phones，but they think schools should let the students know when they can use their mobile phones．
61．Some middle schools in Australia have banned students from carrying mobile phonesC．
A．when they are at home
B．when they are free
C．when they are at school
62．We know from the passage that some children get mobile phones fromC．
A．the makers and sellers
B．the passers-by and strangers
C．their parents and friends
63．What does the underlined word"cheat"mean in the passage？A
A．Behave dishonestly．
B．Behave honestly．
C．Behave correctly．
64．Some parents felt unhappy because they couldn'tB during school hours．
A．use their mobile phones
B．call up their children
C．help the teachers with their work
65．The passage tells us thatA．
A．students shouldn't have mobile phones at school except for some special reasons
B．many people can't understand why parents would want their children to have phones
C．all parents felt unhappy because they couldn't use their phones at school．

查看答案和解析>>

科目：初中英语 来源： 题型：填空题

6．他们整天辛勤工作．
They work hardall day．

查看答案和解析>>

科目：初中英语 来源： 题型：选择题

13．-I bought the digital camera two months ago．
-You mean that you __________ it for nearly two months．（　　）

A．

have had

B．

have been

C．

have bought