Today, smallpox, polio, typhoid　and measles are no longer common because most people have been protected from them by（）._精华吧

Today, smallpox, polio, typhoid　and measles are no longer common because most people have been protected from them by（）.

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Today, smallpox, polio, typhoid　and measles are no longer common because most people have been protected from them by（）.

A.anti-neurohomone drugs

B.antiviral drugs

C.vaccines

D.antibiotics

正确答案：vaccines

Tag：医药英语时间：2022-01-12 15:45:07

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