第8题: [单项选择]This passage is mainly about that ______. A. there exist the psychological differences between boys and girls B. boys are wiser than girls C. the male and female brain differences D. the structures of the brains of children are the same 参考答案:C 答案解析:[精解] 概括题。文章第一句中“…Boys think differently from girls…”与选项 [C]the male and female brain differences意义一致
第20题: [单项选择]From the second paragraph of the passage we know that the power of very high waves striking the shore is ______. A. constant B. equalized C. variable D. perpetual 参考答案:C 答案解析:本题为推断题。由第二段可知海浪冲击海岸的力量与其高度和宽度有关，因此各不相同，所以选C(变化的)。而A项经久不变的，B项均等的，D项不断的都与文意不符。
