A
KEY→P7
范畴:人与自然 主题:热爱自然 体裁:应用文 难度:★★★ 建议用时:5分钟 评价:/3
新模态 复合型文本 Here's an experiment.

()1. What is the RIGHT order in which a mountain is torn down into sand?
① Water freezes. ② Water expands.
③ The rocks are turned into sand. ④ Pieces of the rocks chip slowly.
⑤ Water goes into cracks in the rocks.
A. ②⑤①③④ B. ②①⑤④③
C. ⑤④①②③ D. ⑤①②④③
()2. The experiment mainly tells us .
A. how sand forms
B. the force of nature is not huge
C. a simple force can tear down huge mountains
D. why rocks soaked are put into the refrigerator
()3. Where is the material most likely taken from in a magazine?
A. Health. B. Sports. C. Science. D. Travel.

本文通过一个冰箱冷冻岩石的实验说明了小力量也可以摧毁大山的道理。
1. D 信息排序题。阅读“What will happen?”部分的信息可知，首先水进入岩石的裂缝里，接着水被冷冻、膨胀，然后岩石慢慢碎裂，最后变成沙子。
2. C 主旨大意题。本文通过冰箱冷冻岩石的实验解释了岩石如何变成沙子，告诉我们小力量能摧毁大山的道理。
3. C 文章出处题。本文介绍了一个名为“冰冻岩石”的科学小实验，通过水结冰膨胀使岩石碎裂的原理，展示了自然力量如何侵蚀山体。这类科学实验、自然现象探究的内容，最符合杂志中 Science 版块的定位，而非健康、体育或旅游版块。