我国现代诗歌史上的著名诗集《死水》的作者是
A．胡适
B．闻一多
C．艾青
D．郭沫若
参考答案：B
Passage One
How did interracial marriage get approved in Alabama a. By a Supreme Court ruling. b. By state legislation. c. By a vote of the residents. d. By the social trend that interracial marriages keep increasing.
由若干子样构成的代表整个采样单元的一部分煤样叫（）。
A、子样
B、分样
C、总样
D、批样
