(二)我国地塔辽阔，在不同的地区分布着各种不同类别的土。土的类

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(二)我国地塔辽阔，在不同的地区分布着各种不同类别的土。土的类别不同，其性质会有很大的差异，在进行工程建设和对建筑工程进行评估时都应予以考虑。问题：请分析我国特殊土的地区分布状况和主要特性。

答案

参考答案：

解析：(二) 1．东北的冻土，冻胀和融陷。 2．西北的黄土：当为天然含水量时强度较高，压缩性较小，湿陷。 3．沿海地区的软土：压缩性高、承载力小、透水性差、在压力作用下会不断下沉。 4．南方的膨胀土：吸水膨胀，失水收缩。 5．黔、桂、滇的红粘土：一般情况下，强度较高，压缩性较低。但其也具有膨胀性。

阅读理解

My friend Dr. Dong had a wonderful chance to go to Seattle to present a paper at a professional meeting. When he got back to Beijing, he told me his experience.

Dr. Dong enjoyed his first days very much. At the medical conference, he felt quite confident in his area of research and was able to perform well in his presentation. But after a few days, he began to feel uncomfortable. His medical English was fine, but the social communication skills were different.

He got more and more worried that he was misunderstanding simple English greetings and table talk conventions(习俗). When someone greeted him with, “Hi, how’s it going?” he thought they had asked him “Where are you going?” and answered with the name of the conference hall, only to get a surprised stare from them. At a western style dinner, a colleague asked, “So how’re you enjoyin’ the States?” he thought he heard, “how are you enjoying your steak?” and answered that he was eating chicken, not beef. That time, they smiled, and patiently repeated the question, then both laughed at the error.

By the end of the meetings, Dr. Dong felt a deep sense of “cultural stress” and was worn out from having to pay attention to so many new expressions and ways of dealing with things. He felt his handshake was not as firm as Americans’, found that people reacted unusually when he modestly insisted his English was not good after they complimented(称赞) him, didn’t know how to accept dinner invitations properly and therefore missed out on going to several lunches, and so on. Eventually, he was so confused that he felt the full impact of “culture shock”.

小题1:Why did Dr. Dong travel to Seattle?

A．To improve his spoken English.

B．To experience culture shock.

C．To give lectures on his research.