凝水器是如何分类的

单词拼写（共10小题；每小题1分，满分10分）

56. He c___________ his speech with some amusing remarks and then left.

57. Mr. White has a___________ a big surprise party for his wife’s birthday.

58. He can a_____________ more work in a day than anyone else I know in the company.

59. His first speech as president made a deep i___________ on his audiences.

60. He is o____________ and he can take positive action even when faced with difficulties.

61. Who was the ____________(先前的)owner of the old house?

62. He was brave enough to ___________(揭露) the corrupt official’s crimes.

63. The football match was so exciting that it __________(使激动)all the football fans.

64. Several _____________ (热情的) young teachers have just started working at the school.

65. The entrance is in ____________(经常的) use; do not block it.

试述高炉上部炉衬脱落的处理方法。

“四书五经”中的“四书”指的是（）。

A．《诗经》《孟子》《孝经》《尔雅》

B．《周易》《尚书》《礼记》《春秋》

C．《大学》《中庸》《论语》《孟子》

D．《尚书》《周易》《论语》《孝经》

经济社会发展到一定程度，常常会出现一些环境问题。右图是1858年英国著名的幽默杂志《笨拙周刊》刊登的反映泰晤士河的一幅漫画，题为“沉默的海盗”。画面为象征死亡的骷髅在泰晤士河上游荡。该图的立意是

A．英国完成工业革命，大力对外扩张，成为海上强盗。

B．社会秩序混乱，泰晤士河上强盗频繁出没。

C．泰晤士河的航运业存在着重大的安全隐患。

D．环境污染已经威胁到人们生存，希望引起对环境问题的重视

使用者在占有某块土地时，土地只能提供现时的纯收益。 ( )