旋挖钻机作业地面应坚实平整,作业过程中地面不得下陷,工作坡度不得大于()。
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抵达景点时,地陪应该向游客交待清楚的游览注意事项中不包括的是()
A. 旅游车号、停车地点、开车时间
B. 游览线路和所需时间
C. 景点讲解
D. 游览过程中的注意事项
but my【C14】______persuaded them to look at my homework
A. teacher
B. classmate
C. friend
D. neighbor
can concentrate(集中注意力) 【C7】______if allowed to fiddle(用手拨弄)with a small object.
A. faster
B. deeper
C. better
D. worse
more sparkling(有文采的)than【C5】______hes done before.
A. everything
B. something
C. nothing
D. anything