听力原文:M: That photograph certainly flatters Susan. Don't you think so? W: No, I don't. As a matter of fact, I think it makes her look older than she really is. Q: What does the man think of the photograph? (15)
A.
It looks exactly like Susan.
B.
It makes Susan look older than she really is.
C.
It makes Susan look younger than she really is.
D.
It makes Susan look better than she looks in person.
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【简答题】用Na 2 SO 3 可以治理工业SO 2 尾气污染,这是一种治理SO 2 尾气污染比较新颖的方法。具体操作是: ①将含有SO 2 气体的工厂尾气通入到Na 2 SO 3 溶液中,用其吸收尾气中的SO 2 气体; ②将富集有SO 2 气体的溶液加热,即可使其中的SO 2 气体逸出,这些SO 2 气体可以用来制取H 2 SO 4 。 (1)该方法中Na 2 SO 3 可循环使用,符合绿色化学的基本原...