若3xmbn和-2x3b2是同类项,则m=______,n=______.
∵3xmbn和-2x3b2是同类项,
∴m=3,n=2.
故答案为:3、2.
根据要求进行句子变换。
1. The girl has had the silk hat for three years.(改为一般过去时)
The girl _______ the silk hat three years _______.
2. Where shall I buy Christmas presents? Could you tell me? (改为复合句)
Could you tell me_______ Christmas presents?
3. We plant millions of trees in North China. (改为被动语态)
Millions of trees_______ in North China.
4. English is the most widely spoken language in the world. (改为同义句)
English is _______ spoken than any other language in the world.
5. I don't know where I should go. (改为同义简单句)
I don't know _______.
患者男性,27岁,发热7d,为稽留热,查体见胸腹部数个鲜红色皮疹,约3mm大小,压之褪色,该皮疹是
A.风疹的丘疹
B.过敏的荨麻疹
C.伤寒的玫瑰疹
D.丹毒的斑疹
E.猩红热的丘疹