单项选择题

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.

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热门试题

单项选择题

You can conclude from this passage that Jones was （）

A．thoughtful
B．fearful
C．kind
D．courageous

填空题

A.character B.choke C.cheek D.cheer