题目内容
The health official said ______ 12 suspected cases of influenza A (H1N1) were tested negative and ______, so far, this city has reported no case of the virus.
A. what; that B. that; what C. 不填; that D.that; 不填
C
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People are advised to be _____ towards the health concerns of their dear ones while burning firecrackers to celebrate the festival, for they contain harmful chemicals.
A.accessible |
B.aware |
C.cautious |
D.sensitive |