张某投资某债券，买入价格为100元，一年后卖出价格为110元，期间获得利息收入10元，则该投资的持有期收益率为（ ）。

(单选题)When we speak of culture, we mean a way of life ( ) a gro (单选题)My uncle is quite worn out from years of hard work. He is no (单选题)( ), he would not have recovered so quickly. (单选题)The secretary and principal ( ) at the meeting now. (单选题)For some time now, world leaders ( ) out the necessity fo (单选题)We consider ( ) he should have left without telling anyon (单选题)Mr. Wells, together with all the members of his family, ( (单选题)Stan Lee, an outstanding comic-book writer, created plenty o (单选题)He wasn’t asked to take on the chairmanship of the society, (单选题)They came to the conclusion ( ) by a computer.