Section III 科普小品篇答案与解析Passage 23 【答案与解析】本文介绍了科学家对阿斯匹林的研究成果。实验表明，阿斯匹林可以预防或削弱老年人患心脏病的危险，但实际的效果和服用者的饮食有一定的关系。研究人员说，服用可药品要遵医嘱。1. D。短文首段的末句sharply reduce t...
Section III 科学小品篇 Passage 23Researchers (研究者) have announced (宣布) the result of two studies on the health effects of the drug aspirin (阿斯匹林). One stud...
Section II 趣味幽默篇 答案与解析Passage 13【答案与解析】假日里，亨利喜欢到海边去旅游。有一次，他想去西山农场享受一下田园风光，并计划在那儿度过一个月的时间。可是令人惊奇的是，才去四天之后他就回来了。当朋友问起其中的缘由时，亨利说道：第一天，农场里死了一只羊，晚餐时美美地吃了一顿...
Section II 趣味幽默篇Passage 13Henry was an office worker in a big city. He worked very hard and enjoyed traveling in his holidays.He usually went to the s...
实战演练答案详解 缤纷自然篇Passage 1【答案与解析】这篇短文讲述了某些生物的迁移这一自然现象，并分析了迁移的原因。科学家们最近又研究了龙虾海底成群结队迁移的现象。它们选择在每年天气不好的季节里进行迁移，其中的原因及迁移的目的，科学家尚未弄清楚。1.C.起初一看，四个选项好像都在文中叙述过，但...
Section I 缤纷自然篇Passage 1We know that many animals do not stay in one place. Birds, fish and other animals move from one place to another at a certain ...
（十一）To find out whether bees（蜜蜂）can see colours, the following experiment is made. A round table is put in a garden, and on the table is a piece of bl...
（一）Little Tom down the street calls our dog "The keep dog".Zip is a sheep dog. But when Tom tries to say" Seep", it comes out &quo...
A friend of mine named Paul received an expensive car from his brother as a Christmas present．On Christmas Eve when Paul came out of his office，a stre...
Cool”is a word with many meanings．Its old meaning is used to express a temperature that is a little bit cold．As the world has changed，the word h...