A. 国际技术贸易 B. 国际服务贸易 C. 国际商品贸易 D. 劳务输出
A. where B. which C. that D. what
A. Not until the earth - moving machines came B. The earth - moving machines came C. Until the earth - moving machines came D. Then came the earth - moving machines
A. that you just talked B. you just talked to C. whom you just talked D. you just talked to him
A. withdrew B. wandered C. recovered D. delayed
A. other B. negative C. alternative D. opposite
A. significant B. tough C. principal D. prompt
A. approval B. faith C. trust D. confidence
A. activity B. campaign C. movement D. conference
A. to post ; go B. to post ; going C. posting ; going D. posting ; go
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