语法与词汇
20.When solid changes to liquid, it______heat from all substances near it and this reduces the temperature surrounding it.
【正确答案】
A
【答案解析】本句意为“固体变成液体时，它要从附近的物质中吸收热量，这将降低周围的环境温度”。take in接受，吸收；take on披上，雇用，呈现，流行；take off拿掉，脱衣，起飞；take down记下，拆卸，病倒。因此正确答案为A。