直流锅炉机组运行中丰存在几种比例关系,下列不成比例的是()
A、给水量与燃料量;
B、燃料量与负荷;
C、送风量与燃料量;
D、给水量与送风量。
参考答案:A
句型转换(共10个空,每空0.5分,满分5分)
小题1: Going to sleep early is important for the teenagers.
__________ _________ _________ for the teenagers to go to sleep early.
小题2: You should read more English books.
You ________ _________ read more English books.
小题3:He had to stay up late last night because he hadn’t recited NCE.(改为否定句)
He ________ _________ _________ stay up late last night because he had recited NCE.
小题4: If it doesn’t rain tomorrow, we will climb Baiyun Hills.
We will climb Baiyun Hills _________ it _________ tomorrow.
下列期权属于虚值期权的是( )。
A.市场价格高于协定价格的看涨期权
B.市场价格高于协定价格的看跌期权
C.市场价格低于协定价格的看涨期权
D.市场价格低于协定价格的看跌期权