一些初一的英语及数学题
问题描述:
一些初一的英语及数学题
i think he _____ A.may know B.knows
he maybe is a teacher存在错误吗
the women (in red )are teachers.对括号部分提问.
保留两个有效数字是指?
“——”如果这是两条直线,请问他们之间是什么关系?
计算(a-b)的m次方乘以(b-a)的m-1次方
答
A
he maybe is a teacher存在错误,改为He may be a teacher.
maybe是副词,谓语里用情态动词may +原形be
Which women are teachers?
四舍五入后余下保留小数点后两位
重合
把(a-b)的m次方看成(a-b)的m-1次方乘以(a-b)