The themes that Rita Dove explores in her poetry are universal, they encompass much of the human condition and occasionally deals with racial issues 这题是因为themes是物体而不能用they 来表示吗? Shoppers in sporting goods stores, unlike those in department stores, do very little impulse shopping, do not buy a pair of skis and a boomerang when they come in for a basketball, but leave with only a basketball. 请问一下这一题是错在哪里呢? Plants are more efficient at acquiring carbon than fungi, in the form of carbon dioxide, and converting it to energy-rich sugars. 上面是错误的 Plants are more efficient than fungi at acquiring carbon 下面是正解,不过我分不出来到底有什麽差 In 1852 Robert Angus Smith published a detailed report of the chemistry of rain in a large area around the city of Manchester, England, noting that the more the city air became increasingly acidic, the closer on was to town. 请问一下这是哪里错呢? 先谢谢帮我回答的版友! --

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