外伤出血呈喷射状，可能是（）
A.动脉出血
B.静脉出血
C.毛细血管出血
D.皆有可能
参考答案：A
3580097670读作______．省略亿后面的尾数约是______．
-Why do you stay at home this evening?
-Because I have __________ homework to do.[ ]
A. too much
B. much too
C. too many
