语法与词汇 21.Chemistry is closely______with other studies: physics, biology and so on.
【正确答案】 C
【答案解析】本题空格处是说化学与其他学科紧密相连。C项“correlated使相关联”符合题意。如:Research workers find it hard to correlate the two sets of figures.(研究人员发现很难使这两组数字互相关联。)其他三项“corresponded通信,协调;concerned参与,干预;cooperated合作,协作”都不正确。