问题 单项选择题

假设某公司年度计划要求第一季度销售4000件产品,每件1元,即销售额4000元。但是在该季结束时,只销售了3000件,每件实际定价0.80元,即实际销售额为2400元。那么,这个销售绩效差异为-1600元,或者说实际销售额是预期销售额的60%。那么销售数量的下降使得总销售额下降40%的比例是()。

A、37.5%

B、50%

C、70%

D、62.5%

答案

参考答案:D

阅读理解

阅读理解

     The breathless pace of everyday life made many people sleepless, said our reporter Wang Ling,

when talking about the World Sleep Day (WSD)with sleep experts in order to find out how to get a

better sleep.

     Cui Shuliang, founder of 51sleep.com, which provides online advice for those yearning for a sound

sleep, found many of his workmates suffering badly from poor sleep quality, as an IT technician in

earlier times. "Each morning, I would hear complaints from someone that kept waking up during the

night, or someone else who had to spend all night fighting for sleep."

     Pressed by busy city life, more and more people are suffering from sleep problems ranging from

insomnia to narcolepsy (嗜眠症). Some people may be able to fall asleep, but spend the whole time in

fear. A survey conducted by the Sleep Research Society (SRS) shows that about 40% of the population

is troubled by sleep disorders, which can result in lowered awareness and less productive days. Serious

insomnia can even lead to psychiatric problems.

     Professor Zhang Xi, director of the organization, says the focus of this year's World Sleep Day will

be on scientific ways to sleep. Professor Zhang Xi explained that the causes of sleep disorders differ

among cases, but more than 80% of his patients had trouble in sleeping because they always have a

nervous worried feeling that makes it impossible for them to relax. "That's why we keep suggesting

people pay more attention to sleep problems, since there remains a hidden danger in the physical and

mental condition. On the other hand, people with sleep problems should learn how to ease their mind

and relax themselves. Staying mentally and physically healthy, plus having healthy habits, is the best

way to realize a sound sleep."

1. What do we know about Cui Shuliang according to the text?

A. He founded a website with the help of his friends.

B. He is experienced in using information technology.

C. He was suffering from serious sleep problems.

D. He often complained about being sleepy.

2. What can be inferred from the text?

A. Most people cannot have a good sleep.

B. Most sleep problems are caused by fear.

C. Sleep disorders can lead to serious results.

D. The SRS is an organization of 51sleep.com.

3. According to Professor Zhang Xi,we know that ________.

A. the WSD's focus is on the importance of sleep this year

B. people have paid enough attention to sleep problems

C. keeping in good health is necessary for a good sleep

D. different sleep problems have the same cause

4. Most of Professor Zhang Xi's patients have difficulty in sleeping because of ________.

A. stress  

B. excitement

C. noise  

D. fear

5. The underlined word "sound"in the second paragraph means"________".

A. light and long  

B. quick and dreamful

C. heavy and short  

D. deep and peaceful

单项选择题