《水利水电工程验收规程》规定,水利水电工程的阶段验收包括()。
A.单位工程投入使用验收
B.初步验收
C.截流前验收
D.蓄引水验收
E.机组启动验收
参考答案:A, D, E
She was ________ tired because she did ________ housework today. [ ]
A. too much; too many
B. much too; too much
C. too much; too much
D. too many; too much
选用标引词的基本规则?