第8题: [多项选择]路基冲刷直接防护措施有()。 A. 抛石防护 B. 建挑水坝 C. 植物防护 D. 浸水挡土墙 参考答案:A,C,D
第9题: [单项选择](It turned out) (why) the tiger (got out) of the cage because the man in charge (had forgotten) to lock it. A. It turned out B. why C. got out D. had forgotten 参考答案:B 答案解析:应改为that。由that引导的主语从句,从句中不缺少成分,而是独立成句。
A. They are pleased by it. B. They feel it is not true. C. They are very sensitive to it. D. They feel they are worthy of it. 参考答案:B 答案解析:细节题。在一个害羞的人听到有人表扬他时,他会想:I know it is not true,他并不相信,应选 B项。
第22题: [单项选择]颅内高压症所致呕吐的特点是 A. 喷射性,有恶心,呕吐后轻松 B. 喷射性,无恶心,呕吐后不轻松B C. 非喷射性,有恶心,呕吐后不轻松 D. 非喷射性,无恶心,呕吐后轻松 E. 喷射性,无恶心,呕吐后轻松 参考答案:B 答案解析:[解题思路] 恶心与呕吐发生机制基本相同,均由于延髓刺激所致,其区别仅在呕吐中枢直接受到强烈的刺激,迅速导致呕吐,故呕吐呈非喷射性。又引起呕吐中枢不受胃内容物的减少而减轻刺激,呈顽固性,故呕吐后未能感