全国2010年10月自学考试电子商务英语试题
一、词汇和语法(本大题共20小题,每小题1分,共20分)
根据句子的意思选择一个正确的答案,错选、多选或未选均无分。
1. According to a recent report, ______ that Americans consume does not vary greatly from year to year.
A. the number of sugarB. a number of sugar
C. the amount of sugarD. an amount of sugar