(increase) by 300% since 2019.The world won't survive if this situation continues. 答案(1)考查介词。句意:深夜,海伦抱着购物袋走在街上。in the evening"在晚上",为固定搭配,故填in。(2)考查动词不定式。句意:海伦担心他可能有意伤害她,便开始逃跑。have an intention to do sth....
The ozone layer serves an important function for living things on Earth.This shield in the stratosphere(平流层)protects humans and the environment from harmful levels of the sun's radiation. The international community was alarmed after experts discovered a hole in the ozone layer ...
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