(-4)2的算术平方根是[ ] A.-4 B.4 C.±4 D.16 发布时间:2017-04-15 00:44 │ 来源:www.tikuol.com 题型:选择题 问题: (-4)2的算术平方根是[ ]A.-4B.4C.±4D.16
题型:选择题 - What's _______ weather like today?- It's _______ beautiful spring day!A.the; aB.不填;aC.the; theD.不填;the 查看答案