二次搬运费的计费基础是( )。
A．人工费和材料费合计
B．材料费
C．直接工程费
D．人工费
参考答案：C
在横线里填上“＞“、“＜”或“=”
2037______20738千克______7000克78÷3______79÷3．
—Where did you go last holiday, Mike?
—________, I had a great time. [ ]
A. Somewhere boring
B. dangerous somewhere
C. Somewhere interesting
D. tiring anywhere
