“It is urgent and it is happening now.An area，the size of England，is cleared of primary vegetation(植被)every year，”Smith said.

　　Because most of the world’s food and medicines come from nature，protecting wild plant species is quite important，scientists say.There are already many other seed banks safeguarding food crops，which only account for 0.6 percent of plant diversity.

　　For Kew’s next goal—to collect a quarter of wild varieties by 2020—the botanists need 10 million pounds a year，or a further 100 million pounds on top of the 40 million they have already been granted.

　　【解题导语】　在气候变化，很多物种濒临灭绝的情况下，伦敦种子银行的开办、运营无疑具有重大意义。

　　1．What’s the final purpose of the Britain’s seed bank?

　　A．To collect enough money for the project.

　　B．To safeguard food crops.

　　C．To protect wild plants from extinction.

　　D．To help scientists study wild plants.

　　解析：选C。细节理解题。由第一段和第四段内容可知，伦敦种子银行旨在通过收集自然界的植物种子以达到保护自然界生物多样性的目的。

　　2．The wild banana seed in China is in danger because of__________.

　　A．the expanding of farming work

　　B．the climate change in this area

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