诚实信用是道路运输驾驶员必须具备的职业素质。
参考答案：对
There are more than three________ students in our school. Look, _________ students are having a gathering on the square.
A．thousands of; hundreds of
B．thousand; hundreds of
C．thousand of; hundreds of
D．thousand of; hundred of
DL/T438-2009《火力发电厂金属技术监督规程》中规定，9～12Cr%系列钢制管道安装前检验母材硬度小于180HB时，应取样进行拉伸试样（）
