- 讲师:刘萍萍 / 谢楠
- 课时:160h
- 价格 4580 元
特色双名师解密新课程高频考点,送国家电网教材讲义,助力一次通关
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No ones face is perfectly______. For example, one eyebrow is often slightly higher than the other.
A.balanced
B.symmetric
C.similar
D.subtle
请帮忙给出正确答案和分析,谢谢!
接触粉尘1~2年发生的硅沉着病,属何种硅沉着病
A.硅沉着病
B.晚发性硅沉着病
C.硅酸盐肺
D.肺尘埃沉着病
E.速发性硅沉着病
请帮忙给出正确答案和分析,谢谢!
Tom was very lucky______with his life: he almost did not get out of the room.
A.escaping
B.to escape
C.to have escaped
D.to be escaping
请帮忙给出正确答案和分析,谢谢!
Betty is the only one of the students who______to represent the group.
A.have been chosen
B.has been chosen
C.have chosen
D.has chosen
请帮忙给出正确答案和分析,谢谢!
对k个处理组,b个随机区组的资料进行方差分析,其误差的自由度为
A、kb-k-b
B、kb-k-b-1
C、kb-k-b-2
D、kb-k-b+1
E、kb-k-b+2
请帮忙给出正确答案和分析,谢谢!
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