过滤王可以过滤哪些类型的网站（）
A、赌博
B、邪教
C、暴力
D、色情
参考答案：A, B, C, D
How much did the computer _____ you? And how much time do you _____ on it every day? [ ]
A. take; cost
B. spend; pay
C. cost; spend
D. pay; take
下列哪种疾病，胸片上无"肺血减少"表现的是（）
A.肺动脉狭窄
B.法洛四联征
C.三尖瓣闭锁
D.肺动脉闭锁
E.高原性心脏病
