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【简答题】
一个没有任何约束的物体，它有（）个自由度。
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举一反三
【单选题】What are Alan and Michelle mainly doing?
A.
They are planning a picnic for the department.
B.
They are wondering what the weather will be like at the annual picnic.
C.
They are discussing how to escape from the sun.
D.
They are having cold drinks and talking about the weather.
【单选题】关于链状带绦虫和肥胖带绦虫的描述，不正确的是（）。
A.
两种绦虫的虫卵相似
B.
成虫均可寄生于人的小肠
C.
囊尾蚴均可寄生于人体（肥胖带绦虫不可）
D.
成虫的头节均有吸盘
E.
均属圆叶目绦虫
【单选题】What do many African-Americans write about in their blogs?
A.
Whether Michelle can live up to the high expectations of her fans.
B.
How Michelle should behave as a public figure.
C.
How proud they are to have a black woman in the White House.
D.
What Michelle should do as wife and mother in the White House.
【简答题】肥胖带绦虫成虫寄生于人体 [填空(1)] ，人因食入 [填空(2)] 而患牛带绦虫病。A. B.
【单选题】What are Allen and Michelle mainly doing?
A.
They are planning a picnic for the department.
B.
They are wondering what the weather will be like at the annual picnic.
C.
They are discussing how to escape from the sun.
D.
They are having cold drinks and talking about the weather.
【单选题】What do many African-Americans write about in their blogs?
A.
Whether Michelle can live up to the high expectations of her fans.
B.
How Michelle should behave as a public figure.
C.
How proud they are to have a black woman in the White House.
D.
What Michelle should do as wife and mother in the White House.
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