人造沥青有()。
A.两大类
B.三大类
C.五大类
参考答案:C
With the government's aid, those _____ by the earthquake have moved to the new settlements. [ ]
A. affect
B. affecting
C. affected
D. were affected
DRB委员是()选定的。
A.发包人
B.承包人
C.发包人和承包人共同
D.法院指定