第3题: [单项选择]下列何经行于前臂两骨之间()。 A. 手阳明大肠经 B. 手少阴心经 C. 手太阴肺经 D. 手少阳三焦经 E. 手太阳小肠经 参考答案:D
第4题: [单项选择]______he is still young, he is going very grey. A. As long as B. As C. While D. Even 参考答案:C 答案解析:[解析] 考查引导让步状语从句的连词的使用。while意为“当……的时候;然而”,引导让步从句。例如: While we don't agree,We continue to be friends.(
第15题: [单项选择]Sludge formation in a diesel engine lube oil system is caused by() A. carbonization of oils from the combustion chambers B. emulsions of lube oil and water C. coagulation of unburned fuel below the piston rings D. all of the above 参考答案:D