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【单选题】
《中华人民共和国传染病防治法》第四十三条第二款规定，发生传染病暴发、流行时，省、自治区、直辖市人民政府或者国务院可以决定对疫区实施封锁的传染病类别是A.
甲类、乙类和丙类
B.
甲类、乙类
C.
发现不明原因的群体性疾病
D.
甲类
E.
乙类和丙类
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举一反三
【简答题】Who are they? What are they? Where are they? Why do they sit together?
【单选题】Where are they?
A.
They are in a shop.
B.
They are in the restaurant.
C.
They are in a large department store.
D.
They are in the library.
【单选题】Where are they?
A.
They are dancing.
B.
They are travellers.
C.
They are in the park.
【单选题】This is the hotel _______last month. A. which they stayed B. at that they stayed C. where they stayed at D. where they stayed
A.
which they stayed
B.
at that they stayed
C.
where they stayed at
D.
where they stayed
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