腹部损伤,X线检查显示腹膜后积气,可能为()。
A.肾脏损伤
B.胃损伤
C.十二指肠水平部损伤
D.皮下气肿
E.结肠损伤
参考答案:C
显微镜目镜为10×、物镜为10×,视野中被相连的128个分生组织细胞所充满。转换物镜后,视野中可检测到的分生组织细胞数为8个,则转换的物镜的放大倍数是[ ]
A.160×
B.100×
C.80×
D.40×
小医生,下列句子有的对,有的错,在对的句子后打"",在错的句子下面改正。
1.Do you know when is Mothers' Day?
_______________________
2.There are two thousands people in our school.
3.Billions of people sat before TV when China won on September 13,2001.
4.Bill Gates decided to buy the medicine to them.
5.I'm very please to see you again.