第20题: [单项选择]煤中水分过大会使输煤电耗() A. 增加 B. 降低 C. 无变化 D. 短时间无变化 参考答案:A
第21题: [单项选择]—I hope that John will not play football tomorrow. —Yes, I______. A. hope it too B. hope too C. hope that too D. hope so too 参考答案:D 答案解析:[解题指要] so用于替代前面说过的话,避免重复。选项D = I also hope that John will not play football tomorrow.