三辊轴机组施工比较适用于( )水泥混凝土路面的施工。
A．高级公路、一级公路
B．县乡公路
C．二、三、四级公路
D．旅游公路
E．外公路
参考答案：B,C
用所给词的适当形式填空。
1.Julie Thompson is the ___________ (invent) of battery-operated slippers.
2.There are some green ___________ (leaf) on the tree.
3.When was the old bridge _________ (build)?
4.This trip was very ____________ (please). Everyone had a good time.
5.I think the soup tastes quite ___________ (salt).
全球通移动电话可直接拨号免费的有（）
A、185
B、119
C、114
D、189
