6+6+6+6+6+6+6=( )×( )=( )
0+0+0+0=( )×( )=( )
6;7;42;0;4;0
After taking ______ exercise, he caught a cold and soon had ______ temperature.
[ ]
A. the; the
B. a; a
C. an; 不填
D. 不填;a
结肠镜检查的并发症有()
A.肠出血
B.肠穿孔
C.肠系膜裂伤
D.气体爆炸
E.心脑血管意外