Kangaroos have increased in number because of________

英语四级

填空题Kangaroos have increased in number because of_________

【线索词】Kangaroos 【定位处】倒数第二段末句
【解析】the fence。本题考查澳大利亚袋鼠泛滥的原因。该句明确提到，Now they are ubiquitous for without a native predator the kangaroo population has exploded inside the Fence．即现在它们在没有本地食肉动物的围栏内到处存在，袋鼠的数量已经剧增。由此可知，the fence即为袋鼠迅速增长的原因.
【设题处】因果处设题

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　　The traditional wedding VOW "to stay together till death do us part" is becoming outdated in most western countries as divorce rates continue to rise steadily. In the US, for example, the　1　for1978 show one divorce for every two marriages; in that year, over a million couples had their marriages　2　, often at high financial and social cost.
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B．more　　 G．relatively 　　L．destructive
C．financially 　　H．notified　　 M．statistics
D data 　　I．steady　　N．dissolved
E．estimated 　　J．divorced　　O．less
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2over a million couples had their marriages　2　,

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