⑴Don't shout here.____ A. Yes, please
⑵Is this your book?____ B. Yes, Mr Green.
⑶Open your book, please.____ C. I'm sorry.
⑷Look at my new cap.____ D. Yes, It's my book.
⑸Would you like a pie?____ E. It's great
同学们一定在树上、田间或草丛里见过下图中的小动物吧?其中属于昆虫的是( )
关于生物的生殖和发育的说法中,不正确的是( )
多项式m2﹣4n2与m2﹣4mn+4n2的公因式是( )
下列叙述、对应的化学方程式、所属基本反应类型都正确的是( )