PubMed中Single Citation Matcher主要用于查找多篇文献的准确信息。 A、正确 B、错误 - 查题网

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成人高等教育 / 口腔内科学

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PubMed中Single Citation Matcher主要用于查找多篇文献的准确信息。

A、正确
B、错误

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口腔内科学

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题型描述: 五选项完型填空The first time I remember noticing the crossing guard was _ _ _ _ _ _ he waved to me as I drove my son to school. He presented me _ _ _ _ _ _ a puzzle — all because he waved to me like someone does on seeing a close friend. A big, bright smile accompanied his wave. For the next few days I tried to study his face to see if I knew him. I didn’t. Perhaps he had mistaken me _ _ _ _ _ _ someone else. By the time I contented myself with the conclusion that he and I were strangers, we were greeting each other warmly every morning like old friends.Then one day the mystery was solved. As I approached the school he was standing in the middle of the road holding out his stop sign. I was in line _ _ _ _ _ _ four cars. Once the kids had reached the safety of the sidewalk, he lowered his sign and let the cars _ _ _ _ _ _ . To the first he waved and smiled in just the same way he had done to me over the last few days. The kids already had the window down and were happily waving their reply. The second car got the same greeting from the crossing guard, and the driver, a stiff-looking businessman, gave a brief, almost awkward wave back.1、 A. through B. when C. with D. behind E. for 2、 A. with B. for C. when D. through E. behind 3、 A. behind B. through C. with D. for E. when 4、 A. through B. behind C. with D. for E. when 5、 A. when B. for C. with D. through E. behind统考英语B

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