肺痈咳吐脓血，宜选
A．连翘B．蒲公英C．红藤D．鱼腥草
参考答案：D
― I’m afraid I have to give it up.
― Don’t be discouraged. Remember ______ sticks to his work will succeed one day.
A．those who
B．who
C．whoever
D．whomever
A．只能在真空中传播
B．在水中不能传播
C．可以在很多介质中传播
D．只能在空气中传播
