2019年mpacc考试英语真题——名词273

{01}Economic is a _________ of science while English is one of the _________ of languages．
A.branch；branch
B.branches；branches
C.branches；branch
D.branch；branches
解析：题意是“经济是科学的分类，英语是语言的分支。”branch的复数形式是在词尾加es。
本题选D。
{02}Newton, who is a world famous physicist, was born in the 17th century, he is the ________ the laws of gravity．
A.inventor
B.discoverer
C.looker
D.scientist
解析：根据题意，此处为发现者的意思。
本题选B。