-Would you mind        the window?  

-No,______.      [ ]

A. opening ; I wouldn’t            

B.  opening ; not at all      

C. to open; I can’t                

D. to open; please don’t

受精的鸟卵与没有受精的鸟卵的区别 [ ]

A．已受精的卵，胚盘色浓而略大        

B．已受精的卵，胚盘色淡而略大        

C．已受精的卵，卵黄色浓而略大        

D．已受精的卵，卵黄色淡而略大