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【判断题】
配气机构是根据发动机工作循环需要,适时地打开进、排气门的装置。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】生产力对教育的决定作用表现在( )。
A.
决定教育发展的水平
B.
决定教育的发展规模和速度
C.
制约教育的教学方法和手段
D.
制约教育的课程设置和内容
E.
决定教育的目的
【单选题】The passage suggests that Mendel's experiments succeeded because
A.
Mendel discovered flaws in his research design and corrected them
B.
Mendel had a thorough understanding of the concept of linked traits
C.
the scientific community finally understood the connection between mathematical computations and heredity
D.
the traits in peas happen to reappear in a distinct and predictable way
【单选题】How are the work of Mendel and the work of Boveri and Sutton related?
A.
Boveri and Sutton extended Mendel's work.
B.
Mendel extended Boveri and Sutton's work.
C.
Boveri and Sutton disproved Mendel's work.
D.
Mendel disproved Boveri and Sutton's work.
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