People knew long ago how an earthquake starts.
A Right B Wrong C Not mentioned
Genera has increased the number of its employees recently.
A Right
B Wrong
C Not mentioned
Genera Technologies orders 25 more tests before the end of the year.
A Right
B Wrong
C Not mentioned
Each of the tests costs $42,500.
A Right
B Wrong
C Not mentioned
The new product has been a commercial success in the USA.
A Right
B Wrong
C Not mentioned
Before he set up Genera, Dr Parton had worked for a British water company.
A Right
B Wrong
C Not mentioned
The word “smog” first appeared in 1952.
A Right
B Wrong
C Not mentioned
The forest animals haven't been affected by the smog.
A Right
B Wrong
C Not mentioned
Water was used to try to break up the smog.
A Right
B Wrong
C Not mentioned
The air-pollution index went up to 300 within a few days.
A Right
B Wrong
C Not mentioned
You need a Nap
Medical experts say most Americans do not get ____51____ sleep. They say more Americans need to rest for a short period in the middle of the day. They are advising people to sleep lightly before ____52____ with other activities.
One study earlier this year found that persons who sleep for a few minutes during the day were less ____53____ to die of disease. The study followed more than 2,300 Greek adults ____54____ about six years. Adult who rested for half an hour ____55____ three times a week had a 37 percent lower risk of dying from heart disease than those who did not nap.
Study organizers said the ____56____ evidence was in working men. They said naps might improve health by mitigating tension caused by work.
Some European and Latin American businesses have supported the ____57____ of napping for many years. They urge people to ____58____ work, go home and have a nap before returning. In the United States, some companies let workers rest briefly in their offices. They believe this reduces in their offices. They believe this reduces ____59____ and accidents, and also ____60____ the amount of work a person can do.
Sleep experts say it is likely that people make more mistakes at work than at other times. They say people should not carry ____61____ important duties when they feel sleepy. And they say the best thing to do is to take a nap. About twenty minutes of rest is ____62____ you need. Experts say this provides extra energy and can increase your effectiveness ____63____ the end of the day. But experts warn that a nap ____64____ last no more than twenty to thirty minutes. A longer nap will put the body into deep sleep and waking up will be ____65____.
51 A sweet B sound C sufficient D less
52 A checking B sharing C continuing D meeting
53 A lovely B likely C fondly D finely
54 A for B at C in D with
55 A atleast B atmost C atlast D atfirst
56 A strongest B biggest C clearest D powerless
57 A experiment B reform C idea D way
58 A change B improve C repeat D leave
59 A work B mistake C energy D time
60 A increase B decrease C improve D low
61 A about B ou C off D away
62 A all B few C any D nothing
63 A unless B while C until D during
64 A may B would C should D might
65 A helpful B easy C difficult D happy
长理培训客户端 资讯,试题,视频一手掌握
去 App Store 免费下载 iOS 客户端
点击加载更多评论>>