The Amazon rain forest remained (i)______for years because its soils were unsuitable for agriculture and because endemic disease

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问题 The Amazon rain forest remained (i)______for years because its soils were unsuitable for agriculture and because endemic diseases such as malaria and yellow fever (ii)______most settlers.

选项

答案A,E

解析 because说明前后同义重复。两空联动,同义重复;第一空与its soils were unsuitable for agriculture(那里的土壤不适合耕种)同义重复。pristine未开发的,luminous杰出的,cultivated耕作的;attract吸引,thwart阻止,expose暴露。答案选AE。
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