施工总承包的一般工作程序为()。
A.设计→施工→招投标→验收
B.设计→验收→招投标→施工
C.招投标→设计→施工→验收
D.设计→招投标→施工→验收
参考答案:D
善治太阳头痛的中药是()
A.白芷
B.羌活
C.独活
D.吴茱萸
E.细辛
6.--- Is there any possible way to help them get rid of such a bad habit?
--- To tell the truth, it’s very hard. But we teachers________on this problem.
A.are working
B.had worked
C.worked
D.had been working