运焦皮带的启动顺序是(),皮带的停止是()。
参考答案:逆焦流方向;顺焦流方向
She ________ her elder brother because he is one of the most famous scientists in China.
A. is angry with B. is proud about C. is proud of
女孩,4岁,腹胀3年伴便秘,需辅之泻药解便,全身状况尚可,曾作钡灌肠检查,提示离肛门缘2.5cm以上肠管均明显扩张
最大可能的诊断()
A.肠狭窄畸形
B.精神性便秘
C.特发性巨结肠
D.先天性巨结肠(超短段型)
E.继发性巨结肠