第10题: [单项选择]All the communists______ the people instead of being served by the people. A. are supposed to serve B. are opposed to serving C. are subjected to serving D. object to serving 参考答案:A 答案解析:be supposed to do指在别人看来“应当,应该”。而be opposed to doing 和object to doing 均作“反对,不赞成”解。be subjected to doi
第11题: [多项选择]砼拌合用水常应遵循()。 A. 砼拌合用水必须达到饮用水质量标准 B. 砼拌合用水不得使用低于5℃的深井水 C. 未经处理的海水严禁用于钢筋砼和预应力砼 D. 当骨料具有碱活性时,砼拌合用水不得采用砼企业生产设备洗漱水 参考答案:C, D
第12题: [单项选择]汽车倒车时,主轴上之倒档齿轮与() A. 惰轮相啮合 B. 副轴上之倒档齿轮相啮合 C. 副轴上一档齿轮相啮合 D. 离合器轴相啮合 参考答案:A