题目内容

含氯的有机物燃烧可以形成二恶英类物质。

A. 对
B. 错

查看答案
更多问题

日常电磁辐射暴露对人体健康没有影响。

A. 对
B. 错

著名毒物“砒霜”,是重金属砷的氧化物。

A. 对
B. 错

Which of the following verbs do NOT fit into this sentence: “The Health Authority has_____________ its decision and will now allow the fertility treatment to go ahead.”

A. altered
B. changed
C. moved
D. reversed

He didn't know anything about business, so starting his own business was _______.

A. a leap into the cloud
B. a leap in the dark
C. a leap into the whole
D. a leap into the unknown

答案查题题库