第19题: [单项选择]What does Jack have A. A car. B. A bike. C. A bar. 参考答案:A 答案解析:[听力原文] W: Jack said he can give us a ride to the game. M: Oh, good, then he does have his car.
第28题: [单项选择]Mary has got a full mark in the test. She ______ very hard all these days. A. will work B. may work C. must have worked D. could have worked 参考答案:C 答案解析:[试题类型] 情态动词
[试题精解] 本题考查的是情态动词的用法。will用于一般将来时,表示“将要……”,不合题意。 may表示“可能,也许”,如:It may rain today.(今天可能下
第29题:[单选题]病原菌不明的化脓性脑膜炎应首选 A. 氨苄青霉素+庆大霉素 B. 青霉素+氯霉素 C. 大剂量青霉素 D. 半合成青霉素 E. 氨苄青霉素 参考答案:E