The main idea of this passage is（）
A. it is likely to make an enemy of your admirer
B. there are many solutions to the problems of dating
C. an admirer has feeling every bit as sensitive as our own
D. it is possible to discourage an admirer without hurting his feelings
查看答案
From the first paragraph we can infer that in the US schools（）
A. students enjoy shooting
B. safety is a problem
C. students are eager to be solider.
D. students can make guns.
计算机网络是由负责信息处理并向全网提供可用资源的资源子网和负责信息传输的【 】组成。
垂体前叶功能减退激素替代疗法不包括
A. 强的松
B. 雌激素
C. 甲状腺片
D. 甲基睾丸素
E. 泌乳素
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