______enough money, I would have gone with you on vacation.
A．If I had
B．If I should have
C．Had I had
D．Had I has

空气的总压力为101．3kPa，干球温度为25℃，湿球温度为15℃。该空气经过一预热器，预热至50℃后送人一干燥器。热空气在干燥器中经历等焓降温过程。离开干燥器时相对湿度φ=80％。利用，I-H图，试求：(1)原空气的湿度、露点、相对湿度、焓及水汽分压；(2)空气离开预热器的湿度、相对湿度及焓；(3)100m3原空气经预热器加热，所增加的热量；(4)离开干燥器时空气的温度、焓、露点及湿度；(5)100m3原空气在干燥器中等焓降温增湿过程中使物料所蒸发的水分量。 点击查看答案

第二节 完型填空 阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。A teacher I had long ago, Mrs Lynde, was an elderly little woman wearing glasses and always walking quietly round the room hunting for trouble. One day, she was moving from (1) grading workbooks. I (2) her for a time, then, I looked around the room and she was (3) . Maybe she (4) grading books and stepped into the (5) . I stood up and shouted loud enough (6) all those about me to hear, ' Where's Granny?' Just as I said the words I (7) my head and saw her (8) at my right ready to grade my (9) . My face turned red and great drops of sweat(汗珠) came out, (10) she only smiled down over me and said, 'Is it too warm in the room for you, my dear?'(1)A．desk to deskB．room to roomC．side to side

A.desk
B.room
C.side

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