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搜题
【判断题】
溶解氧量越少，表明水体污染的程度越轻。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】We can conclude from the passage that ______.
A.
there are significant differences between the Official Dinner and other dinner parties
B.
American students like to participate in public services very much
C.
being a secretary of state is the best, even better than being a president
D.
the students who were invited to the dinner party were enthusiastic about the program