79.Some scientists said,“If you often go running alone in the morning, it would become b　　　　 　

for your brain, you’d better run with your friends.”

78.When I told them the funny jokes, they couldn’t help I　　　　　 .

77.The Yellow River, the world’s f　　　　 　longest river, has watered some of the oldest farms on Earth.

76.I didn’t have my breakfast this morning. Now I feel so h　　　　 　that I want to do nothing.

75.Yesterday the teacher told us the earth r　　　　 　around the sun.

74.India has the second I　　　　 　population in the world.

73.We can play tricks (恶作剧) on friends on April 1, but they will not be a　　　　 　with us.

72.---Does this piece of m　　　　　　 　sound nice?

　---Yes. It’s wonderful.

第一节(共14小题，计7分)

根据句意完成已给出首字母的单词，使补全后的句子语法正确，意义通顺。

71.---Can you take good care of y　　　　　　 　while I’m not at home?

　 ---Of course, we can.