According to the data, China supplies more than 90 percent of the world’s rare earth metals, but its

【题目】According to the data, China supplies more than 90 percent of the world’s rare earth metals, but its reserves only about one third of the world’s total.

A. take up B. build up

C. make up D. polish up

【答案】C

【解析】考查动词短语。句意：根据资料可知，中国提供了占世界90%多的稀土金属，可是其储备量只占世界总量的大约三分之一。make up 组成，符合句意；take up 占用(时间、空间等)，担任，采取，从事；build up 建立，树立，增强；polish up 擦亮，改善，润色。