题目内容

变压器通电后,就有嗡嗡地响声,此现象属于正常现象。( )

A. 对
B. 错

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当环境最高气温为(+40℃)时,变压器的顶层油温不要超过90℃,为了防止变压器油劣化过速,顶层油温不宜经常超过80℃。( )

A. 对
B. 错

Part II Vocabulary & Structure(10minutes)Directions:This part is to test your ability to construct correct and meaningful sentences.It consists of2sections.Section ADirections:In this section,there are 10 incomplete sentences.You are required lo complete each one bydeciding on the most appropriate word or words from the 4 choices marked A),B),C)and D) Then you should mark the corresponding letter on the Answer Sheet with a single line through the center:25._________she has saved a lot, she is still unable to afford that house.

A. In case
B. Even if
C. As if
D. Now that

26. _________our opinion, Cloud Computing is changing the way we view information technology.

A. For
B. On
C. In
D. From

27.Thank you for_________the problem of late delivery to our attention.

A. bringing
B. to bring
C. bring
D. brought