下列哪项不符合癌症性呼吸困难的特点
A.呼吸浅表
B.频率增快
C.可引起呼吸性碱中毒
D.可出现手足搐溺
E.呼吸深大
参考答案:E
— Could you introduce to me a high quality English dictionary for high school students?
— Sure. _______ well for several years, this kind of dictionary is very popular.
A.Selling
B.To sell
C.Sold
D.Being sold
当x=2时,多项式ax5+bx3+cx﹣5的值为7,则当x=﹣2时,这个多项式的值为( )