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【简答题】
阅谴下面短文.筒要回答所给问题。 Welcome to Youth Radio, your radio.  Here we're proud to introduce three Amazing Kids. Gina, who is thirteen years old, got first prize in the 'Young Cook of the Year' competition and she wants to write a recipe book for kids. 'I want it to be fun to read and easy enough for children to use,' she says. Gina learned by watching her father, who's also good at cooking, in the kitchen.  She wants to encourage other children to cook because 'everyone needs to eat so it's a skill that will always be useful!' Seventeen-year-old Brian used to love running until he was hurt in a serious accident three years ago. He lost part of one leg and didn't even expect to walk again. Now he's an athlete who has recently taken part in a long race.  'After my accident I wanted to give up,' he says. 'But now I'm happy to be alive and able to continue running.' Helen has always been good at science, but she thought it was too difficult to become an inventor. Then she heard about an accident that had happened when a car hit a train in her town.  'That gave me an idea,' says the clever sixteen-year-old. It took her over a year to invent a small special machine that tells car .drivers when a train is coming. One company is already interested in selling it, so it may be in he shops soon! Do you know a child like them? Please e-mail us at amaxingkids@ mail. com and tell us why he or she should be on our radio. Thank you. 小题1:What was Gina the winner of? 小题2:Does Gina want to write a children's recipe book? Why? 小题3:Why is it surprising that Brian is an athlete? 小题4:What is Helen's new invention used for? 小题5:What do you think the three Amazing Kids are like?
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参考答案:
举一反三
【单选题】完全淹没在水中的平板,其一侧壁面上所受静水压力的作用点总是位于平板形心位置
A.
与形心重合
B.
无法判断
C.
之下
D.
之上
【多选题】图解法求解作用在平面的静水总压力,说法正确的有哪几项?
A.
作用点必位于受压面纵对称轴上
B.
总压力作用线必过压强分布图形心
C.
总压力大小等于受压面面积与受压面宽度乘积
D.
受压面形心就是压力作用点
【判断题】将一个组件加上JScrollPane能实现自动滚动功能。
A.
正确
B.
错误
【多选题】下面关于受压面为垂直平面的情况时,叙述正确的是()。
A.
垂直矩形平面所受的静水总压力的大小等于该平面形心点的压力与平面面积的乘积
B.
垂直矩形平面所受的静水总压力的大小等于该平面重心点的压力与平面面积的乘积
C.
总静压力P的方向是垂直指向作用面的,其作用点为在作用面对称轴上
D.
总静压力P的方向是垂直指向作用面的,其作用点离液面的距离为2/3h,h是液面的高度
E.
总静压力P的方向平行于作用面
【单选题】作用在铅垂矩形平面上静水总压力的作用点与平面形心点的关系,下列表述中正确的是?
A.
合力作用点与形心点相重合
B.
合力作用点在形心点之下
C.
合力作用点在形心点之上
D.
作用点与形心点在同一水平面上
【判断题】将一个组件加上 JScrollPane 能实现自动滚动功能。
A.
正确
B.
错误
【多选题】用于彩印花布花版刻制的工具有( )
A.
刻刀
B.
铳子
C.
垫板
D.
毛笔、毛刷
【单选题】完全淹没在水中的平板,其一侧壁面上所受静水压力的作用点总是位于平板形心位置
A.
之下
B.
之上
C.
与形心重合
D.
无法判断
【判断题】唐朝的创立者是李世民。
A.
正确
B.
错误
【单选题】完全淹没在水中的平板,其一侧壁面上所受静水压力的作用点总是位于平板形心位置( )
A.
之下
B.
与形心重合
C.
无法判断
D.
之上
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