压力型手控定量气雾剂(MDI)给药后,药物在下呼吸道和肺泡的沉积率为() A.30% 发布时间:2017-08-19 06:49 │ 来源:www.tikuol.com 题型:单项选择题 问题: 压力型手控定量气雾剂(MDI)给药后,药物在下呼吸道和肺泡的沉积率为()A.30%B.5%C.20%D.40%E.9%~11%
题型:单项选择题 任务型阅读,根据表格内容,完成所给任务(每空一词)There is a very popular organization with young people in our community. I joined it two years ago. And I have taken part in many interesting activities. What we have done can not only help others but also make ourselves happy.Last Sunday, we went to an old people’s home. After helping them do some housework, we sang, danced and played games with them. The old people were excited at our visit. They told us interesting stories about themselves. We all had a good time.After this visit, my friend and I decided to do more things to help them. Now more than 30 volunteers have joined our club. Everyone thinks the experience is wonderful.HowThe organization is very 小题1: with young people in their community.WhenThe writer joined it 小题2: years ago.What They sang, 小题3: and played games with the old people there.HowThe old people were 小题4: at their visit.How manyMore than 小题5: volunteers have joined their club. 查看答案
题型:单项选择题 在王村,最好的游览方式是泛舟酉水之上,除了能将水光山色尽收眼底,河畔极具湘西特色的吊脚楼也是一绝——______,依山逶迤,重重叠叠,直贯山腰,形成五里长街。 填入划横线部分最恰当的一项是( )。A.星罗棋布 B.鳞次栉比C.美轮美奂 D.雕栏玉砌 查看答案