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问题 单项选择题 案例分析题

下图中甲图为某区域示意图，乙图为甲图中R河河谷及其附近地质剖面示意图（R河河谷的形成主要受地转偏向力影响）。读图完成小题。

河谷处的地质构造为（）

A.向斜

B.背斜

C.谷地

D.山岭

答案

参考答案：B

解析：

据图中R河河谷下面沉积岩层向上弯曲可以看出，R河河谷处的地质构造为背斜。

填空题

用括号中所给单词的适当形式完成下列句子。每空格限填一词。

1. Mr. White lives on the_______ floor in that building. (five)

2. Walking in the space is one of the _______ of our time. (wonder)

3. Tom will study still _______ next term. (hard)

4. He is very careless, so he is _______ to be in charge of the experiment. (fit)

5. The plane landed _______ at last after flying in the storm for about one hour. (safe)

6. Have you ever seen how to _______ a cow? (milk)

7. Not everyone enjoys fast food. Jack is the one who _______ hamburgers. (like)

8. At the end of every year, some people go back to their _______ homes.(national)
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选择题

小竹将质量为120g的物体放入盛满水的溢水杯中，当物体静止时，溢水杯中溢出了100g的水，则物体将（　　）

A．漂浮在水面上

B．悬浮在水中

C．下沉至溢水杯底部

D．无法确定
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