C．catalogue

　　D．separation

　　答案：A　distribution“分配”；contribution“贡献”；catalogue“目录”；separation“分开，分割线”。根据句中的“资源”和“公平的”判断，此处应该为“分配”。

　　15．________ it rains when we can't find a place to escape from the rain?

　　A．What if

　　B．How come

　　C．What about

　　D．How about

　　答案：A　句意：如果下雨了我们还找不到地方避雨怎么办？what if“如果……怎么办”；how come“为什么”；what about＝how about“……怎么样”。

　　Ⅳ.阅读理解

　　A

　　Robinson Diaz lives in a small cottage high in the Andes Mountains of South America. Diaz is a“cable racer”， and every morning he faces the difficult task of taking the local teacher to her school. To do this, he first walks for an hour up to a place the locals call Los Pinos, right at the edge of the 400­foot deep gorge(峡谷)of the Negro valley. Here, one end of a thick metal cable has been fixed to a wooden post. The cable stretches right across the deep valley to the other side, a kilometer away.

　　A metal hook is fixed to the cable, with leather straps hanging from it. Diaz fastens the straps around his shoulders and waist, does a quick safety check and then, without hesitating, throws himself off the edge of the mountain. Attached to the cable by only the metal hook, he rapidly picks up speed and soon he is racing through the air. Crossing the valley by wire takes him 30 seconds, instead of the two hours it would take him to walk down through the rain forest and climb up the steep muddy slopes on the other side.

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