APCUPS在正常工作时,主要带载的为()A、Delta变换器 B、功率变换器 C、市电

题型:单项选择题

问题:

APCUPS在正常工作时,主要带载的为()

A、Delta变换器

B、功率变换器

C、市电

D、逆变器

考点:代维资格考试基站代维基站代维题库
题型:单项选择题

_______ your letter, I am pleased to tell you that you are to receive the answer by the end of this week.

A.Concerned about

B.Concerning

C.Concerning with

D.Concerned

题型:单项选择题

Until recently daydreaming was viewed as a waste of time. Or it ___小题1:_______(consider) an unhealthy escape from real life and its duties. But now some people are taking a fresh look at daydreaming. Some think it may be a very ______小题2:____ (health) thing to do. Some researchers are finding that daydreaming may be important to mental health. Daydreaming, they tell us ,____ 小题3:___(be) a good means of relaxation. But its benefits go beyond this. A number of psychologists have conducted experiments and have reached some    小题4:(surprise) conclusions.

Dr. Joan T. Freyberg has concluded that daydreaming contributes to intellectual growth. It also improves      小题5:   (concentrate),attention span, and the ability _____小题6:____ (get) along with others. Industrialist Henry J. Kaiser believed that much of his success was due to the positive use of daydreaming. Florence Nightingale dreamed of becoming a nurse. The young Thomas Edison pictured      小题7:    as an inventor. For these notable persons, it appears    小题8:   their daydreams came true. Dr. Harry Emerson Fosdick offered this advice: “Hold a picture of yourself… in your mind’s eye, ____小题9:______will drew you toward success. Picture yourself   小题10:    (vivid) as defeated and that alone will make victory impossible.

题型:单项选择题

雅鲁藏布大峡谷(节选)

       提起西藏,人们一般想到的是雪域高原上的牦牛、金碧辉煌的寺庙和载歌载舞的藏族同胞。其实,这块号称世界屋脊的土地还有异常丰富的景观,它不但有世界最高的山峰,还有世界最深的峡谷——雅鲁藏布大峡谷。  

1.读完文段,我们知道西藏有_______、______、_______ 、________、________等吸引着我们,课文以这段文字开头,是为了介绍____________________________。  

2.语段中破折号的作用是___________________。  

3.语段中的“世界屋脊”指的是________________,“世界上最高的山峰”指的是__________________.

题型:单项选择题

纵观当今世界保险市笋,除少数发展中国家外,大多数保险市场都属于()。

A.完全垄断型保险市场

B.垄断和竞争并存型保险市场

C.完全竞争型保险市场

D.完全自由型保险市场

题型:单项选择题

没有控制剂量率设备的荧光透视检查,即使判断为正当时也应限制其使用。

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