题目内容

A. take off B. mean C. how D. against E. safely

Although we still don't know whether using mobile phones can cause cancer,we should try to use our phones__1.__.Here are some tips:

*Use a headset(耳机) or speaker.

Headsets give out much less radiation than phones.Some wireless headsets give out low-level radiation.However,

you should __2.__your headset when you're not talking to anyone.Using a phone with a speaker will also make it safer.

*Listen more, talk less.Your phone gives out radiation when you talk or text,but not when you're listening or getting messages.

*Hold the phone away from your body when you are talking,not _3._your ear.Also,don't keep it in your pocket.

*Choosing texting over talking.Phones give out less radiation when sending texts than when making calls.Texting also keeps radiation away from your head.

* Poor signal?Stay off the phone.Fewer signal bars(信号数) on your phone__4.__that the phone needs to give out more radiation to work.Make and take calls [when your phone has a strong signal.

练习册系列答案
相关题目

Do you want to make homework simpler?Oxford Learning founder and C EO Dr.Nick Whitehead said,"Homework might be an unavoidable(不可避免的)part in school,but it doesn't have to be that boring part.With the right skills in place,students can turn homework from headache-including to trouble-free."These steps will make an obvious 1.d____.

Use your notebooks

The brain is able to finish great works,but it is not 2.a____perfect.Students should never rely on it to remember all school details.When a teacher assigns homework,students should write the details in their notebooks.According to Whitehead,to make them effective,students 3.n____to remember to take the note books out of the school bags at night,open them up,and read over the night's list.

Remove distractions(使注意力分散的事物)

Computers on, music on, text messages receiving······Whitehead says if students aren't doing research,they should turn off all the above electronics,and focus on the task at hand for a set period of time.They'll find that it is 4.e____to concentrate and that homework takes less time.

Think actively

Getting homework done is the name of the game,but what happens if students are struggling with a question or can't work out an answer?When facing difficulties,it is wise for the student to take a small break,then5. r____to look at the problem again.

Get organized

Homework is often the most disorganized part.Whitehead recommends,"Students should keep all the homework-related things in a bin,so they don't waste time 6.s____for pens or rulers."He also recommends picking the same place to do homework every night,and (when possible)completing homework at a7. c____ time each day.

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网