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(A) Unfortunately, the rivers are partly polluted.
(B) The rivers in Maine provide 30% of the water supply of New England.
(C) This is seen only in movies.
(D)“White water” is the water of a river when it moves very fast over rocky areas.
答案:登入後查看
統計: A(9), B(15), C(11), D(32), E(0) #1247755
統計: A(9), B(15), C(11), D(32), E(0) #1247755