官方真题Official5托福阅读词汇真题练习——afford&offer
- 2015年12月09日11:08 来源：小站整理
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在托福阅读备考的练习中，想要快速的提升自己的托福阅读能力，除了不断的累积自己的词汇和句型之外，从官方真题Official练习入手也不失为一个不错的方法。那么，在以下内容中，我们就为大家带来官方真题Official5托福阅读词汇，希望能为大家托福阅读备考带来帮助。
Paragraph 5: Scientists have known for some time that certain plants, called hyperaccumulators, can concentrate minerals at levels a hundredfold or greater than normal. A survey of known hyperaccumulators identified that 75 percent of them amassed nickel, cobalt, copper, zinc, manganese, lead, and cadmium are other minerals of choice. Hyperaccumulators run the entire range of the plant world. They may be herbs, shrubs, or trees. Many members of the mustard family, spurge family, legume family, and grass family are top hyperaccumulators. Many are found in tropical and subtropical areas of the world, where accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens. 【官方真题Official5- Minerals and Plants】
9. The word “afford” in the passage is closest in meaning to (1)
○ offer
○ prevent
○ increase
○ remove
答案： (1)
