Mar Levine, scientist at University of Pennsylvania, US, has found that competitive eater

发布时间:2020-08-16 22:14:50

Mar Levine,      scientist at University of Pennsylvania, US, has found that petitive eaters have stomachs that can expand like      balloon.
A. a; a
B. a; the
C. a; /
D. the; a

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(答案→)A. a; a
B. a; the
C. a; /
D. the; a
解析:本题考查冠词。第一空a scientist at University of Pennsylvania表示泛指一位宾夕法尼亚大学的一位科学家;第二空a balloon仍然表示泛指气球。句意:Mar Levine,一位美国宾夕法尼亚大学的一位科学家,已经发现胜过他人的食客有能够像气球膨胀的胃。
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