根据不同需要，打印文件尽量使用（）字体，可省纸省电。
A.小字号
B.中字号
C.大字号
参考答案：A
我们不可能画出一个等边直角三角形．______．（对的打“√”，错的打“×”）
Last week, only two people came to look at the house, wanted to buy it. [ ]
A. none of them
B. both of them
C. none of whom
D. neither of whom
