2008年5月12日14时28分，我国四川省汶川县发生8级强震，造成巨大的人员和财产损失。回答下面各小题。
这次地震震中的人们会感觉到：（）
A.只有上下颠簸，没有水平晃动
B.只有水平晃动，没有上下颠簸
C.先水平晃动，后上下颠簸
D.先上下颠簸，后水平晃动
参考答案：D
解析：
由于纵波的速度大于横波，这次地震震中的人们会感觉到先上下颠簸，后水平晃动。
考点：圈层构造。
阅读短文，根据短文内容补全表格中所缺的信息。（每空一词） What do you do at weekends? Some people like to stay at home and have a rest. Other people think going out for a walk is good for their health. My friend Jack works very hard from Monday to Friday. At weekends he always does the same things. On Saturdays he washes his car and on Sundays he takes his family to a village(村庄) far from his house. His uncle and aunt live there,so Jack goes to see them every week. They have a big farm and only one worker to help them. So they are usually very busy. Jack often asks his family to help them. The children give the animals food. Jack and his wife work in the fields(田). After a long day of work, they are very tired and hungry. So Jack’s uncle gives them a nice meal. After that about five,they drive home. 根据短文内容，完成表格。
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