5. C. longest 6. A. under　　 7. A. in　　　　 8. C. to

1. C. is　　　 2. B. mine　　 3. B. Are these　 4. C. better

A few stars are known which are hardly bigger than the earth , but the majority¹ are so large that hundreds of thousands of earths could be packed^{2inside each and leave room to spare;here and there we come upon a giant star large enough to contain millions of millions of earths. And the total number of stars in the universe3}is probably something like the total number of grains of sand on all the seashores of the world. Such is the littleness of our home in space when measured up against the total substance of the universe.

1. the majority 大多数　 2. pack 装入　 3. universe 宇宙

1978年答案

Premier Chou came to　　 my grandmother the first time he

　　 　Tachai. I shouted into Granny' s　　 , "Granny, the Premier' s here. He' s come all the　　 from Peking to see you!"

"How　　 we are to meet you, Premier Chou!" said Granny. "How did you get here and how　　 are you going to stay?"

The Premier said, "I came by　　 , so the journey took me only a few hours. I 　　think I can stay in Tachai very long, because I've got a 　　of work to do in Peking. I　　　　　 be back today."

6. 科学家们受到了全国人民的赞扬，因为他们对科学的发展作出了重要的贡献。

5. 以华主席为首的党中央，正在领导我们进行新的长征。

3. 张同志进来时，我正在看报。

2. 冬天北方比南方冷。