空调器（冷气机）蒸发器或空气过滤网过脏时，会造成什么情况（）
A.低压偏高
B.电流偏高
C.低压偏低
D.高压偏高
参考答案：C
The child was __ immediately after supper.
A．enough tired to go to bed
B．too tired to go to bed
C．so tired that he went to bed
D．very tired, he went to bed
苏子降气汤主治的喘咳是（）
A.肺热壅盛，气逆不降之喘咳
B.痰涎壅盛，肾不纳气之喘咳
C.风寒束表，肾不纳气之喘咳
D.风寒外束，痰热内蕴之喘咳
E.风寒束表，水饮内停之喘咳
