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【单选题】
After adding two elements together, the scientist told us she had discovered a new compound that would cure a common cold.
A.
chemical
B.
alternative medicine
C.
bonded mixture
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】You must follow the proper protocol for your experiment to be valid.
A.
procedure
B.
set of rules
C.
trend
【单选题】I’ve heard anecdotal evidence that vitamin E helps cuts heal faster, but I’ve never read any research that supports that.
A.
scientific proof
B.
personal reports
C.
individual observations
【单选题】My cousin applied for a visa, but unfortunately, he was denied.
A.
rejected
B.
refused
C.
reminded
【单选题】It’s important to review your investments periodically; my advisor recommends that I check every three or four months.
A.
occasionally
B.
constantly
C.
regularly
【单选题】All of his clever arguments still didn’t convince me to change my mind.
A.
persuade
B.
prevent
C.
influence