I was born in Shanghai ______ we live in Beijing now. [ ]
A. so
B. and
C. after
D. but
答案:D
平行四边形ABCD中,若AB=8cm, 则对角线AC、BD的长可能是 [ ]
A.6cm,10cm
B.6cm,12cm
C.12cm,4cm
D.10cm,4cm
下列哪个症状不是肠梗阻的典型临床表现()
A.腹痛
B.腹胀
C.呕吐
D.腹泻
E.肠鸣音亢进或消失