使方程左、右两边相等的______的值,叫做方程的解.
使方程左、右两边相等的未知数的值,叫做方程的解.
故答案为:未知数.
句型转换。
1. Zoos provide homes for many endangered animals. (改为同义句 )
Zoos many endangered animals
2. I am writing to say that I am against building a new zoo in our town. (对画线部分提问)
are you ?
3. I think that animals should not live in zoos (改为同义句)
I think that animals in zoos.
4. It's easy to recycle paper and books. (改为同义句)
____ paper and books easy,
5. You have probably never heard of Amy Winterbourne.(改为反意疑问句)
You have probably never heard-of Amy Winterbourne, ?
以下不合理处方的问题中,可判为超常处方的是
A.重复用药
B.联合用药不适宜
C.使用“遵医嘱”字句
D.无正当理由超说明书用药
E.联合用药的药品中有配伍禁忌