相关考题
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单项选择题
（）has made smallpox a very rare disease.
A.Infection
B.Treatment
C.Vaccination
D.Cure -
单项选择题
This is a very （）occasion.It is not appropriate to wear casual clothes.
A.messy
B.frantic
C.formal
D.jealous -
单项选择题
The child couldn’t（）the advanced textbook.
A.interpret
B.read
C.translate
D.comprehend
