题目内容

哪种雪滑行时最舒适?()

A. 片状雪
B. 浆状雪
C. 粉状雪

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在结伴滑行时,相互间一定要拉开距离。()

固定器的别称是?()

A. 脱离器
B. 压缩器
C. 离合器

The development goals for a large marine engine are many often interact and in some cases

A. conflict
B. accord
C. harmonize
D. struggle

–I think the reference book is very helpful --_____________.

A. Good idea
B. So do I
C. Neither do I
D. So am I

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