慢性肺心痛防治（） A．高浓度氧疗 B．间歇给氧 C．家庭氧疗 D．持续低流量给氧

发布时间：2019-04-04 19:45 │ 来源：www.tikuol.com

题型：单项选择题

问题：

慢性肺心痛防治（）

A．高浓度氧疗

B．间歇给氧

C．家庭氧疗

D．持续低流量给氧

E．呼气末正压给氧

考点：卫生资格考试(中初级)呼吸科专业实践能力呼吸科主治医师专业实践能力

题型：单项选择题

用所给词的正确形式填空，使短文正确,通顺。每词限用一次。

fall, light, part, quick, north, rain, from, however, change, summer

     The United States has many different kinds of climates. On the northwest coast, the temperature 1
very little between summer and winter, but the 2          central states have a very different kind of climate.
In those states, people wear 3          clothes in summer, and they need heavy woolen clothes in winter.
     In the northwest coast, the climate is 4          and warm during the winter, but the 5          is dry and
hot.
     In the northeast of the United States, summer temperatures are very different 6          winter temperature.
Summer is usually hot, and winter is usually cold. Spring temperatures are warm and 7          temperatures
are cool.
     Years ago, people in the cold 8          of the United States didn't often get fresh vegetables and fresh fruits
during the summer. Today, 9          , trucks and trains carry fruits and vegetables very 10          to all parts
of the United States. In this way, Americans "send their climates" to people in other states.

查看答案

题型：单项选择题

某构件上一点处的应力状态如图所示，则该点处的最大剪应力为()。

A．τ_max=25MPa

B．τ_max=10MPa

C．τ_max=18MPa

D．τ_max=20MPa

查看答案

题型：单项选择题

预激综合征伴房颤，控制心室率可选用（）

A.洋地黄

B.美托洛尔

C.地尔硫

D.胺碘酮

E.维拉帕米

查看答案

题型：单项选择题

词汇运用（共10小题，每小题1分，计10分）

小题1:The trees are green in __________ (春天).

小题2:My schoolbag is __________ (棕色的). What about yours?

小题3:There is a __________ (铅笔) on the desk.

小题4:Friday is the day after __________ (星期四).

小题5:There are __________ (十五) boys in my class.

小题6:__________ (打开) your book and write your name in it.

小题7:They draw a __________ (花) on the blackboard.

小题8:How many __________ (鸟) can you see in the tree?

小题9:I like __________ (秋天) because it is cool.

小题10:__________ (举) up your hand.

查看答案

题型：单项选择题

汽车在水平路面上从静止开始做匀加速直线运动，到t₁末关闭发动机做匀减速直线运动，到t₂秒末静止．动摩擦因数不变，其v-t图象如图所示，图中β<θ．若汽车牵引力做功为W，平均功率为P，汽车加速和减速过程中克服摩擦力做功分别为W₁和W₂，平均功率大小分别为P₁和P₂，下列结论

[ ]

A．W₁+W₂=W

B．P=P₁+P₂

C．W₁>W₂

D．P₁=P₂

查看答案

更多题库