问题 单项选择题

用于排除余热、余湿和有害气体时(含氢气时除外),且当建筑物全面排风系统的吸风口位于房间上部区域时,吸风口上缘至顶棚平面或屋顶的距离()。

A.不小于0.2m

B.不小于0.4m

C.不大于0.2m

D.不大于0.4m

答案

参考答案:D

多项选择题
完形填空

三.完形填空(共15小题;每小题1分,满分15分)

Last September, a terrible typhoon struck our neighborhood. Roofs were flying. Trees were being uprooted. Outside our front window. I __33___ see a nearby tree. It had served as the neighborhood’s Christmas tree for ten years. Children expected  its __34____ every December. “Just bend; don’t break!” I made a wish.

The ___35___ gathered in force. Rain was falling __36___, and water was pouring into the house around the edges of the closed windows. I heard people shouting, “The river is coming down on us!” I rushed out and found that the ___37___, which crossed the river and was the only way to ___38___ ground, was already under water !

We all ___39___ at a neighbor’s house and tried to think of a way out. ___40___ it was too late. Soon, we found ourselves stuck on the roof, holding together against the wind, trembling with cold and fear. As we looked around, the __41___ near our house could no longer be seen. Despair surrounded us.

Luckily, a group of soldiers __42___. With their help, ten hours later, at 2:oo a.m. , everyone was finally off the roof. We were saved!

The rain stopped during the night. At dawn, with the water gone, we found our __43___ a wasteland covered with sand and mud. As we made our way to what was left of our home, we found the tree ___44___ there, bent but not broken! Our symbol of ___45___ had been spared by nature.

Life may not become __46__ so soon, but our neighborhood has tried its best. __47___ , in December, the Christmas tree will light up again.

33.A. should       B. would      C. could        D. might

34. A. arriving     B. growing     C. standing     D. lighting

35.A.energy       B. coldness    C. storm        D. darkness

36.A. peacefully   B. slowly      C. noisily       D. heavily

37. A. house       B. bridge      C. road        D. hill

38. A. richer       B. cleaner      C. higher       D. narrower

39.A. gathered     B. shouted      C. worked      D. swam

40. A. So         B. For          C. And        D. But

41. A. flood       B. tree          C. window     D. roof

42. A. looked out   B. got up       C. turned up    D. set out

43.A. ground      B. river         C. nature      D. neighborhood

44. A. already     B. still          C. even       D. also

45. A. health      B. respect       C. hope       D. honor

46. A. special     B. normal       C. excellent    D. fortunate

47. A. Hopefully  B. Particularly    C. Perfectly   D. Generally