题目内容

【题目】He_____ to bed until eleven last night

A. went B. not go C. didn't go D. goes

【答案】C

【解析】考查时态。句意:昨天晚上直到11点他才去睡觉。昨天晚上应用过去时态,not...until...直到.......才。故选C

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【题目】请根据短文内容及首字母提示,填写所缺单词。

A 22-year-old British student has invented(发明) a mobile fridge, “Isobar”, which could save millions of lives in the world.

Will Broadway’s “Isobar” has been designed to k1 vaccines(疫苗) at the ideal temperature while they are being sent in developing countries. And Will doesn’t plan to make money from his creation. His p2 is to get vaccines to people who need them, which is why he won’t be trying to get a patent(专利). Will’s Isobar has w3 him the James Dyson Award that challenges young people to design something that solves a problem.

Present m4 of transporting vaccines can lead to the vaccines freezing(冻住) before reaching their places in developing countries, b5 the Isobar keeps a temperature of 2 to 8 degrees for 30 days.

Will’s invention is expected to save the lives of 1.5 million people a6 the world. After finishing college education, he is making an effort to take the Isobar into production. “I will be hands-on, all the way through it, and make sure that it w7, ” he says.

The product has been designed to transport vaccines, but already Will sees the possibility for other m8 uses in the developing world and beyond. “Blood donations, organ transplants(器官移植)if they get trapped in t9, you still use cold-bags that really aren’t good enough for a long time, ” he says.

There is also a possible, non-medical use for the Isobar. “It would be a great thing to take on a five-day trip w10 you have no power,” he says. But he insists vaccine transportation is the primary function (功能) of his invention.

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