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34.When I saw Tom in his office last night,he_________on his presentation

A. will work
B. has worked
C. is working
D. was working

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Section BDirections:There are5incomplete statements here. You should fill in each blank with the proper form ofthe word given in brackets. Write the word or words in the corresponding space on the Answer Sheet.35.It is (general)_________accepted that planning is one of the most important parts of running a business.36.While(search)_________for jobs, you'll find it easy to waste your time.37.The company(found)_________in 1951 and has a worldwide distribution network.38.There will be lots of employers attending the job fair,so remember(bring)_________your résumé.39.I can't expect them(get)_________there on time ifI'm late myself.

在带电线路杆塔上工作时,风力应不大于( )级,并应有专人监护。

A. 3
B. 4
C. 5
D. 6

放紧线过程中,如遇导、地线有卡、挂住现象,应在( )处理。

A. 松线后
B. 紧线后
C. 紧线前
D. 松线前

电力电缆有哪几种分类方法?

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