A. keep sugar and salt in water B. drink it as often as necessary C. take it as much as possible D. use it to kill the bacteria 参考答案:B 答案解析:[解析] 判断推理题。题目询问混合物要怎样服用才会对腹泻起作用。答案在文章的第三段。文章说到虽然这种混合物对腹泻并没有立竿见影的效果,但如果能坚持服用的话会对腹泻起作用的。所以正确答案为B。
A. distinction B. breakthrough C. identification D. interpretation 参考答案:B 答案解析:[解析] 语义连贯题。四个选项中能和in the treatment形成合理搭配的是[D]breakthrough。[A]distinction表示“区别”时常与between…and…搭配;[C]i