第12题: [单项选择]There are nations whose lack of contact with the outside world has______ poverty. A. fallen into B. consisted in C. resulted in D. come up to 参考答案:C 答案解析:result in终归，结果是。fall into 归入：掉入：陷入。consist in在于：存在于。come up to达到：接近。
第13题: [单项选择]宜于睡前服用的药品是（ ） A. 呋塞米 B. 普伐他汀 C. 甲氧氯普胺 D. 格列美脲 E. 阿司匹林 参考答案:B
A. encourage them to learn B. teach them to fear the pain of solving the problem C. help them learn to deal with pain D. teach them how to respect from the problem 参考答案:A 答案解析:[解析] 事实细节题。文章的倒数第四行说到，we encourage the human ability to solve problems，just as in school we set prob
