语法与词汇 Hydrogen is the fundamental element of the universe_____ it provides the building blocks from which the other elements are produced.无
【正确答案】 B
【答案解析】句意: 氢是宇宙中的基本元素, 因为它是构成其他元素的基本元素。 in that因为。 provided that在……条件下。 so that目的是, 以便于。