收割机:镰刀
A.打字机:键盘 B.ATM:柜台C.短信:通话 D.手表:沙漏
参考答案:D
解析: 收割机代替镰刀,手表代替沙漏。
—Do you know Peng Li yuan?
—Of course, she is First Lady of China, famous singer.
A.a, a
B.the, a
C.the, the
D.a, the
一组数据-1,3,5,-4,0的极差是______.