题目内容

【单选题】__________ career you choose, effective communication skills will serve you well.

A. Whenever
B. Wherever
C. Whatever
D. However

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【单选题】According to the contract, this project __________ within four months starting from today.

A. will be completed
B. completes
C. has completed
D. was completed

【单选题】__________ many companies post job ads online, you can still find them in newspapers.

As if
B. Ever Since
C. In case
D. Even though

【单选题】Studies have shown that humans working with machines are __________ than a human or a machine working alone.

A. more effective
B. most effective
C. effective
D. least effective

【填空题】The research investigated the problem of air pollution (cause) ____by vehicles in the city of Tripoli, Libya.

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