搜题请搜索小程序“爱下问搜题”
问题 单项选择题

反铲挖掘机连贯操作则是将挖土、升大臂、旋转、卸土、回转和降大臂六个基本动作进行复合。以下可复合的动作是（）。

A.挖土和升大臂

B.提升大臂和旋转

C.旋转和卸土

D.卸土和回转

答案

参考答案：B

连词成句

连词成句。

1. was, while, walking, I, saw, to, I, a, in, cat, school, a, tree

                                                                              

2.  while, walking, was, car, the, exploded, past, I, it

                                                                              

3.  said, he, living , he, in, was, London

                                                                              

4. I, speaking, to, you, you, the, were, while, saw, teacher

                                                                              

5. I, at, TV, 8 p. m., was, yesterday, watching

                                                                              
查看答案
单项选择题

初诊接待时，使用最多的提问方式是( )。

A．封闭式提问
B．开放式提问
C．半开放式提问
D．间接式提问
查看答案