滤清器的前后压力差达到()kPa时旁路打开,达到()kPa或运行()小时需更换滤芯。
A.103
B.276
C.1500
D.1800
参考答案:A, B, C
Teenagers must_______ the computer games.
A.stay away from
B.take away from
C.take off
D.put away
患者患痰饮,心下坚满而痛,自利,利后反快,利心下续坚满,口干舌燥,舌苔黄腻,脉沉弦,治疗宜首选
A.甘遂半夏汤
B.己椒苈黄丸
C.小陷胸汤
D.小半夏加茯苓汤
E.苓桂术甘汤