火力发电厂的生产系统由()三大系统组成。
A.给水系统、燃烧系统、蒸汽系统。
B.蒸汽、燃烧、电气。
C.汽水、燃烧、电气。
D.汽水、燃烧、蒸发。
参考答案:C
—He plays basketball so well! Who taught _______?
—He learnt it by _______.
A.him; him
B.himself; himself
C.him; himself
D.himself; him
"阴病治阳"的方法适用于下列何证()
A.阴胜阳虚
B.阳胜阴虚
C.阴虚阳亢
D.阳虚阴盛
E.阴阳两虚