单项选择题

万古霉素能作用于青霉素结合蛋白,抑制细菌细胞壁肽聚糖合成。

A.正确
B.错误
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单项选择题
PP细胞( )A.分泌胰岛素B.分泌胰高血糖素C.分泌生长抑素D.分泌胰多肽
A.分泌胰岛素
B.分泌胰高血糖素
C.分泌生长抑素
C.分泌胰多肽
单项选择题
听力原文:W Hi, Bob, how's it going? You want the usual?M Actually, no. I'm in the mood for a large hot chocolate with a lot of whipped cream.W Good heavens, what happened? Our coffee isn't good enough for you anymore?M It's not that. My 7-year-old niece is coming to visit and I promised her that I knew where to get the best hot chocolate in town. The truth is, I've never even tried your hot chocolate! So make sure it's good!Which of the following does the man order?A.CoffeeB.LemonadeC.Iced teaD.Hot chocolate
A.W
B.Coffee
B.Lemonade
C.Iced
C.Hot
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