____ the help of experienced career instructors, this type of job-hunting traini
题型：不详难度：来源：
____ the help of experienced career instructors, this type of job-hunting training ____ to be very efficient.| A．By; has proved | B．With; has proved | C．Under; is proving | D．With; is proved |
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答案
| B |
解析
| 本题主要考查固定搭配的识记及动词的语态。根据help的搭配要求，介词须用with，从而排除选项A、C；动词prove表示事物的性质时，为不及物动词，不用被动形式，于是本题的正确答案为B。 |
举一反三
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