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【简答题】
如图 4 所示, abcd 为一边长为 l 的正方形导线框,导线框位于光滑水平面内,其右侧为一磁场区域,磁场的边界与线框的 cd 边平行,磁场区域的宽度为 2 l ,磁感应强度为 B ,方向竖直向下.线框在一垂直于 cd 边的水平恒定拉力 F 作用下沿水平方向向右运动,直至通过磁场区域. cd 边刚进入磁场时,线框开始匀速运动,规定线框中电流沿逆时针方向为正,则导线框从刚进入磁场到完全离开磁场的过程中, a 、 b 两端的电压 U ab 及导线框中的电流 i 随 cd 边的位移 x 变化的图线可能是 A. B. C. D.
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【单选题】肺胀见呼吸浅短难续,咳声低怯胸满短气,倚息不能平卧,咳嗽,痰白如沫,咳吐不利,心悸,形寒汗出,面色晦暗,舌黯紫,脉沉细无力,当用何法治疗 ( )
A.
温肺散寒,降逆涤痰
B.
清肺泄热,降逆平喘
C.
涤痰祛瘀,泻肺平喘
D.
补肺纳肾,降气平喘
E.
温阳化饮,宣肺平喘
【单选题】----What do people wear when they go to the theatre ? -----Well ,it isn’t very ______. People can wear anything .
A.
normal
B.
certain
C.
modern
D.
simple
【单选题】What does the author think teachers do what they should not do?
A.
They give children correct answers.
B.
They point out children's mistakes to them.
C.
They allow children to mark their own work.
D.
They encourage children to copy from one another.
【单选题】If what parents say is not ______ with what they do, it will have a bad effect on their children.
A.
contrary
B.
consistent
C.
confident
D.
considerate
【单选题】What will these children do on ____?
A.
Children's Day
B.
Childrens's Day
C.
Childrens Day
D.
Children Day
【单选题】肺胀见呼吸浅短难续，咳声低怯，胸满短气，倚息不能平卧，咳嗽，痰白如沫，咳吐不利，心悸，形寒汗出，面色晦暗，舌黯紫，脉沉细无力。治法是
A.
温肺散寒，降逆涤痰
B.
清肺泄热，降逆平喘
C.
涤痰祛瘀，泻肺平喘
D.
补肺纳肾，降气平喘
E.
温阳化饮，宣肺平喘
【单选题】肺胀见呼吸浅短难续，咳声低怯，胸满短气，倚息不能平卧，咳嗽，痰白如沫，咳吐不利，心悸，形寒汗出，面色晦暗，舌黯紫，脉沉细无力，当选用的治疗方法是( )
A.
温肺散寒，降逆涤痰
B.
清肺泄热，降逆平喘
C.
涤痰祛瘀，泻肺平喘
D.
补肺纳肾，降气平喘
E.
温阳化饮，宣肺平喘
【单选题】肺胀见呼吸浅短难续，咳声低怯，胸满短气，倚息不能平卧，咳嗽，痰自如沫，咳吐不利，心悸，形寒汗出，面色晦暗，舌黯紫，脉沉细无力，当用何法治疗( )
A.
温肺散寒，降逆涤痰
B.
清肺泄热，降逆平喘
C.
涤痰祛瘀，泻肺平喘
D.
补肺纳肾，降气平喘
E.
温阳化饮，宣肺平喘
【简答题】What do you expect he will buy as Christmas presents for his children?
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