6. A. brand　 B. number　 C. size　　 D. type

5. A. similarity　 B. quality　 C. suitability　 D. variety

4. A. decisions　 B. experience　 C. opinions　 D. knowledge

3. A. borrow　 B. earn　 C. raise　 D. collect

2. A. point　 B. reason　 C. result　 D. right

1. A. amount　 B. part　 C. sum　 D. rest

75. B。 主旨大意题。通读全文我们知道科学的发展前景会受到一些危险的观点的影响。

基础写作

[参考范文]

Dear Sir/Madam,

I am Li Hua from Xinhua High School and I am a regular visitor of your website, which is popular with high school students. I am writing in response to your topic collection activity and my recommendation is “To be thankful.” Everybody knows that as we are growing up, we come across countless people and things that deserve our appreciation and our life course will avert the original direction but for their help. Therefore, we should bear in mind the importance of being grateful. I will appreciate it if my topic is adopted and wish this activity held by your website a complete success.

Yours Truly,

Li Hua

74. D。 最后一句告诉我们最佳答案为D。

73. C。 由第二段最后三行可以知道答案。

72. B。 细节判断题。由第一段话可知最佳答案为B。