在分配制度上，以按劳分配为主体，其他分配制度并存，______，______。
参考答案：效率优先 兼顾公平
用所给单词的适当形式填空。
1. What do you often do on (rain) days?
2.I don't like to sit on the chair. It's (comfortable).
3. Waiting for her made me (anger).
4. (walk)is good for our health.
5. I'd rather (walk) than take a bus.
关于茶碱类治疗支气管哮喘的药理作用，下列哪一项是不正确的
A．抑制磷酸酯酶B．刺激肾上腺分泌肾上腺素C．增强气道纤毛清除功能D．抗感染作用E．阻断因吸入刺激物引起的反射性支气管收缩
