2. 外语
  3. Very often bacteria or viruses inhabit the body without causing illness, a condition known as the "carrier state".

Very often bacteria or viruses inhabit the body without causing illness, a condition known as the "carrier state".

admin2012-07-30  43
问题 Very often bacteria or viruses inhabit the body without causing illness, a condition known as the "carrier state".
选项 A、surround
B、repel
C、occupy
D、devitalize
答案C
解析 占据，居住
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