皮皮学，免费搜题
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【单选题】
精子的主要运动装置是 (1分)A.
轴丝
B.
线粒体鞘
C.
纤维鞘
D.
外致密纤维
E.
顶体
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皮皮学刷刷变学霸
举一反三
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【单选题】I've made an ______ for you to see the doctor at 5'oclock.
A.
interview
B.
assignment
C.
opportunity
D.
appointment
【单选题】酒局上,一位东北哥们劝你喝酒,说:兄弟,这杯酒你不喝,就是瞧不起我!为了不喝酒,你会怎么回复:( )
A.
哥，别说这话，这酒我喝不喝都瞧不起你；
B.
我酒精过敏，一喝酒全身就红得跟灯笼似的；
C.
兄弟，老婆不让啊，管得严；
D.
兄弟，哪敢瞧不起你，我群里发个红包，今天是真不行，身体喝不了。
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【简答题】人体有多少块肌肉
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