题目内容

13. “syndrome” means ___.

A. middle layer of the developing embryo
B. within the nose
C. group of symptoms occurring together
D. the last stage of cell division

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12. “melanoma” means ___.

A. a newborn
B. through the skin
C. loss of color in the skin
D. dark tumor

二、Multiple ChoiceDirections： Choose the best answer from the four choices.11. Monoclonal refers to a colony (clone) derived from ___ cell(s).

A. three
B. two
C. half
D. one

10. ['fɔːmjʊlə]配方______

9. ['sʌpləmənts]增补营养片剂______