基准收益率是指( )。
A.投资要求达到的最高收益率
B.投资要求达到的最低收益率
C.投资要求达到的适中收益率
D.投资要求达到的标准收益率
参考答案:B
Edison was ______ in science, when he was only five years old.[ ]
A. interesting
B. interested
C. more interested
D. the most interesting
鉴别织物中原料的方法通常有哪四种?