What will scientists do to make sure the poison works this time? A. They will try so

Question

What will scientists do to make sure the poison works this time?

A. They will try some of it themselves.

B. They will use a special kind of poison.

C. They will drain the lake first.

D. They will only put the poison in the wells.

Answer 1

正确答案：C
    53．最后广段。先抽水再放毒药。选项 C是正确的。