肾挫伤非手术治疗至少需要卧床
A．1周
B．2周
C．3周
D．4周
E．5周
参考答案：B
解析：减少再出血，避免失血性休克等严重后果。
— Little Mary has cried for 20 minutes!
— ____. She'll be all right soon. [ ]
A. Leave her alone
B. Leave her behind
C. Leave her out
D. Leave her over
下列四个数都是六位数，X是比10小的正整数，Y是零。则下列选项中，一定能同时被2、3、5整除的数是()。
A．XXXYXX
B．XYXYXY
C． XYYXYY
D．XYYXYX
