题目

计算3×(2) 的结果是（   ）A．5B．5 C．6D．6 答案：D解析:本题考查的是有理数的计算。有理数的计算重点是符号的确定和绝对值的确定。根据同号得正异号得负所以A和C错误，又根据2乘3得6所以D正确。There are many wild animals in the forests and on the freezing, ice-covered lands in the north, and fish are a______ in the seas and rivers.