2018年考研英语(二)试题及参考答案

While fossil fuels—still generate roughly 85 percent of the world’s energy supply, it’s clearer than ever that the future belongs to renewable sources such as wind and solar. The move to renewables is picking up momentum around the world: They n...

So why are some parents so nervous about letting their children out of their sight? Are cities and towns less safe and kids more vulnerable to crimes like child kidnap and sexual abuse than they were in previous generations? Not exactly. New York C...

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