第19题:[单项选择]<br><br><br/>A.two-storeyd<br/>B.twostoreys<br/>C.two-storeys<br/>D.two-storey<br/>参考答案:D 答案解析:[解析] 考查复合形容词。two-storey是由数词·名词单数形式构成的复合形容词,其中的名词必须用单数形式。类似的还有:a ten-speed bicycle; a five-year-old b
第21题: [单项选择]下列关于蜘蛛痣的叙述,正确的是() A. 是皮肤小动脉扩张所致 B. 是皮肤毛细血管扩张所致 C. 多分布于下腔静脉回流区 D. 是体内雄激素生成增多所致 E. 以上均错 参考答案:A 答案解析:考点:蜘蛛痣。蜘蛛痣是皮肤小动脉末端分支性扩张所形成的血管痣,多出现于上腔静脉分布的区域内,如面、颈、手背、上臂、前胸和肩部等,一般认为蜘蛛痣的出现与肝脏雌激素的灭活作用减弱有关,故可知本体选A。
第30题: [单项选择]The erosion of the white cliffs in the south of England______. A. will soon become a problem for people living in central England B. has now become a threat to the local residents C. is quickly changing the map of England D. can be stopped if proper measures are taken 参考答案:B 答案解析:[考点] 细节判断题
[解析] 解答该题的依据在第二段…but it has become more serious in recent years.Dozens of homes have had