第22题: [单项选择]Tom's mother tried hard to persuade him to ______ from his intention to invest his savings in stock market. A. pull out B. give up C. draw in D. back down 参考答案:D 答案解析:[试题分析] 伞题考查对短语动词的掌握。
[详细解答] draw in意为“吸入;抵达”;give up意为“放弃,退出”,其后接名词或动名词;pull out常与介词of连用,意为“退出、撤离(工
第23题: [单项选择]下列哪种土的路用性能最差() A. 砂性土 B. 粉性土 C. 粘性土 D. 砂土 参考答案:B
第24题: [单项选择]潮式呼吸可见于()。 A. 颅内压增高 B. 严重缺氧 C. 呼吸中枢受损 D. 尿毒症 E. 以上均可 参考答案:E