题目

第二部分 阅读理解 (满分35分) 第一节 语篇阅读 (每小题2分) 阅读理解下面的短文，然后根据短文内容，指出能完成所给句子或回答所提问题的最佳答案。 Astronomy (天文学) is the oldest science known to man. Thousands of years ago man looked at the stars and wondered about heavens (天堂). But the six planets that he could see with his eyes alone limited man. The Greeks studied astronomy over 2,000 years ago. They could see the size, color, and brightness of a star. They could see its place in the sky. They watched the stars move as t制作洋葱表皮细胞临时装片时，正确的盖盖玻片方法是A．将盖玻片迅速盖在载玻片上B．将盖玻片的一边先接触液滴，另一边慢慢盖上C．将盖玻片放在载玻片一端，推上中央D．将盖玻片的一边先接触液滴，另一边迅速盖上