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【判断题】
左、右头臂静脉汇合处的夹角称为静脉角A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】根据微生物大小、结构、化学组成分为哪3大类微生物？各大类微生物有何特点？包括哪些种类的微生物？
【简答题】微生物的3种类型
【单选题】Have you heard of it? Firefighters rushed into a burning house, three of them unfortunately ___
A.
138. Have you heard of it? Firefighters rushed into a burning house, three of them unfortunately _____ in and ______ their lives. A．caught; losing
B.
catching; lost
C.
caught; lost
D.
catching; losing
【单选题】The aim of the first type of holidaymaker is ______.
A.
to enjoy good food
B.
to enjoy themselves
C.
to have sunbathing
D.
to swim in the sea
【单选题】All the classmates _____ in that match.
A.
enjoy themselves
B.
enjoy ourselves
C.
enjoyed themselves
D.
enjoyed yourselves
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