第15题: [单项选择]空心砖墙施工的技术要求为( )。 A. 砌筑前应试摆,在不够整砖处,如无半砖规格,可用普通黏土砖补砌 B. 应用MU7.5以上的砖,不低于M5.0砂浆砌筑 C. 砌筑时,应从两边往中间砌筑 D. 非承重空心砖墙,其底部应至少砌两皮实心砖,在门口两侧一砖长范围内,也应用实心砖砌筑 参考答案:A
第24题: [单项选择]Which is true according to the passage A. The author enjoys staring matches with wolves. B. Staking the land was kind of dangerous. C. Wolves can see the estate boundaries clearly with their eyes. D. The author managed to know why the wolves ignored his presence. 参考答案:D 答案解析:细节理解题。文章最后一段中指出当作者发现狼的目光越来越凶狠的时候就把背转了过去,由此可知A不对;文章第三段中作者用了somewhat exhausted说明做标记的工作并不轻松,但并没说很危险,所以B