第23题: [单项选择]注射时,用75%乙醇消毒是为了使细菌蛋白质 A. 变性 B. 变构 C. 沉淀 D. 电离 E. 溶解 参考答案:A 答案解析:注射时用75%乙醇消毒是为了使细菌蛋白质变性而达到灭菌消毒的目的。所以答案选A。
第24题: [单项选择]When a speaker expresses his intention of speaking,such as asking someone to open the window,he is performing( ) A. an illocutionary act. B. a perlocutionary act. C. a locutionary act. D. none of the above. 参考答案:A 答案解析:
第32题: [单项选择]He is{{U}} {{/U}}as any of us. A. as a good swimmer B. a swimmer as good C. as good a swimmer D. a good swimmer 参考答案:C 答案解析:[考点] 形容词原级比较
[解析] 在as+形容词原级+as及Not as/so+形容词原级+as结构中,形容词作定语修饰可数名词单数时,不定冠词a(an)+名词不能放在形容词之前,只能放在形