轮廓标的埋设方式有土中和附着两种。
参考答案:对
It is a paradox(自相矛盾) that in a rich country there should be many poor people.
A.such; such
B.such; so
C.so; so
D.so; such
项目跟踪评价在国际上又称为( )。
A.中间评价
B.动态评价
C.全面评价
D.绩效评价