【题目】The US is China's biggest export market, ________ more than 70 percent of China's exports.
A.looking forB.searching for
C.longing forD.accounting for
在线课程【答案】D
【解析】
考查动词词组辨析。句意：美国是中国最大的出口国，其出口量约占超过百分之七十。A. looking for寻找；B. searching for搜查、搜索；C. longing for渴望；D. accounting for（比例）占，说明，解释。根据句意可知D项正确。