燥热伤肺型咳血，治疗时宜选用
A．虚火喉痹B．噎膈C．癫病D．郁病E．消渴
参考答案：A
最优证券组合是能带来最高收益的组合。（）
---It’s said that scientists are working hard to ________ a way to deal with H7N9 avian influenza(H7N9禽流感)
---Really? That’s great!
A．caught up with
B．come up with
C．agreed with
D．compared with
