在下列各项费用中，不属于直接费的是( )。
A．施工单位搭设的临时设施费 B．夜间施工费C．技术开发费 D．二次搬运费
参考答案：C
从一点引出两条______就组成一个角．这个点叫做角的______，这两条______叫做角的______．
按要求改写句子。
1. I can see some tigers in the zoo. (改为一般疑问句)
______ you see ______ tigers in the zoo?
2. Ann speaks Chinese well. (改为否定句)
Ann ______ Chinese well.
3. This elephant is African. (改为同义句)
This is ______ elephant.
4. I'd like to see the pandas. (就画线部分提问)
______ you like to see?
5. The polar bear lives in the Arctic.(Europe) (改为选择疑问句)
______ the polar bear ______ in the Arctic ______ Europe?
