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【单选题】
1960—1970年间，非洲国家津巴库的象牙偷猎者杀了6500多头大象。同期，津巴库的大象总数从大约35000头下降到不到30000头。1970年，津巴库实行了新的反偷猎措施。1970—1980年间，有800多名偷猎者被捕或被驱逐出境。但到1980年，津巴库的大象总数下降到约21000头。 以下答案若均属实，哪一个最有助于解释以上矛盾
A.
1970—1980年间在津巴库被捕的偷猎者很少被处以长期徒刑。
B.
由于广泛开展的反对屠杀大象的公众运动，1970—1980年间象牙需求量下降了。
C.
1970—1980年间，邻国孟巴萨的大象总数有小幅上升。
D.
1970年以前，津巴库议会通过的反偷猎法很少得到实施。
E.
1970—1980年间，津巴库的几千亩森林——大象的自然栖息地被夷为农田。
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【单选题】In a country that defines itself by ideals, not by shared blood, who should be allowed to come, work and live here In the wake of the Sept. 11 attacks these questions have never seemed more pressing. ...
A.
evidence was found that they were potential terrorists
B.
most of them worked at airports under threat of terrorist attacks
C.
terrorists might take advantage of their illegal status
D.
they were reportedly helping hide terrorists around the airport
【单选题】脑多头蚴的成虫寄生于( )。
A.
黄牛、水牛、骆驼的脑、脊髓内
B.
人的脑、脊髓内
C.
犬、狼、狐等肉食动物的小肠
D.
犬、狼、狐等肉食动物的脑、脊髓内
E.
犬、狼、狐等肉食动物的大肠
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【单选题】In a country that defines itself by ideals, not by shared blood, who should be allowed to come, work and live here In the wake of the Sept. 11 attacks these questions have never seemed more pressing. ...
A.
evidence was found that they were potential terrorists
B.
most of them worked at airports under threat of terrorist attacks
C.
terrorists might take advantage of their illegal status
D.
they were reportedly helping hide terrorists around the airport
【单选题】脑多头蚴的成虫寄生于( )。
A.
黄牛、水牛、骆驼的脑、脊髓内
B.
人的脑、脊髓内
C.
犬、狼、狐等肉食动物的小肠
D.
犬、狼、狐等肉食动物的脑、脊髓内
E.
犬、狼、狐等肉食动物的大肠
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