第5题: [单项选择]The research committee ______ representatives from countries that have their researchers and scientists stationed in Antarctica on a constant basis. A. is made of B. is consisted of C. is composed of D. is formed of 参考答案:C 答案解析:[理由] 本句测试下列固定结构: be composed of 由……组成的 =be made up of... =consist of... [例] Our
第22题: [单项选择]下列哪项不是雌激素的生理功能() A. 抑制卵泡和子宫发育 B. 提高子宫对缩宫素的敏感性 C. 增加输卵管上皮细胞的活动 D. 使阴道上皮细胞内糖原增加 E. 促进体内水钠潴留 参考答案:A 答案解析:雌激素可以促进卵泡及子宫发育,使子宫内膜增生,增强子宫对缩宫素的敏感性;增加输卵管上皮细胞的活动,有利于受精卵的运行;使阴道细胞内糖原增加,促进阴道上皮增生和角化;促进体内水钠潴留及骨中钙质沉着等。