腹痛患儿重要的体格检查为
A．腹部视诊B．腹部触诊C．腹部叩诊D．腹部听诊E．以上都是
参考答案：B
The new coat looks too large on Mary，so her mother had to______.
A．cut it out
B．cut it down
C．cut it off
D．cut it up
房间空调器的蒸发温度越低，吹空调越冷；房间空气降温越快，制冷量越大。（）
