下列哪项是诊断急进性肾小球肾炎最有价值的指标（） A.BUN、Scr迅速升高 B.5

Umbrellas are common in our daily life. On rainy days, many people hold them to prevent the  36  . But it’s not easy to hold an umbrella if there is heavy rain and  37  wind. And it’s harder to make a phone call or ride a bike  38  an umbrella in the hand. An American named Alan Kaufman and his company spend 6 years inventing a hand-free umbrella.  39  , they made it.
They called it Nubrella. Just touch a button（按钮），and the Nubrella will open  40 With the help of its “shoulder support（支持）”,the umbrella can rest on the user’s shoulders. So the user needn’t hold the umbrella any more. He can walk with hands  41 even in the strong wind.
The hand-free umbrella is $ 59.94 each. People all around the world like it very much. Because of this smart  42  ,they can use their phones to talk and send short messages in the rain now.  43  in the rain under a Nubrella is really cool, isn’t it?

小题1:	A．snow B．water C．sun D．cloud

小题2:	A．tall B．short C．weak D．strong

小题3:	A．by B．without C．with D．use

小题4:	A．At first B．At last C．At most D．at the end

小题5:	A．easily B．hardly C．nearly D．easy

小题6:	A．free B．busy C．difficult D．easy

小题7:	A．invention B．magazine C．book D．history

小题8:	A．Lying B．Flying C．Running D．Walking