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【简答题】
阅读理解。 Do you have bright ideas? Ideas or inventions that change society or, at least, make life easier for somebody? Perhaps we all do sometimes, but we don't often make the idea a reality. Recently, in Britain, there was a competition called British Designers for Tomorrow. The competition encourages young people to carry out their bright ideas. There were two groups in the contest: Group One was for schoolchildren under 16; Group Two was for schoolchildren over 16, and there were eleven prize-winners altogether. Neil Hunt, one of the prize-winners, was called 'Sunshine Superman'. It's important when people study the weather to be able to record sunshine accurately. We need to know how many hours of sunshine we have and how strong it is. Most sunshine recorders only record direct sunlight. Neil's is more accurate and this is very important for research into the way of using solar power. You can do so much with animated cartoon. Look at Simon West's idea for animated road signs. He uses pictures which appear to move as you go nearer to or farther from them. This isn't a new idea. But it is new to use these pictures on road signs. 'We found that people were more likely to see moving signs,' said Simon. So now, you can really see rocks falling, trains moving, horses running or a car falling over the edge of a cliff. Quite a warning! The ideas in the competition were so inventive that we are surprised that British industry doesn't ask more schoolchildren for suggestions. Perhaps this will be the start of 'pupil power!' 1. The writer seems to be encouraging the British industry to . A. help schoolchildren in their studies B. take better care of schoolchildren C. stop asking schoolchildren for suggestions D. pay more attention to schoolchildren's inventive power 2. Neil Hunt's design would finally lead to the improvement of the way of . A. recording direct sunshine B. knowing how strong sunlight is C. using the energy of the sun D. recording the hours of sunshine 3. The organizers of the competition hoped the schoolchildren would . A. become good designers for future Britain B. win as many prizes as they could C. design something useful for the next day D. invent something for immediate use 4. What's the use of Simon West's animated road signs? A. To add to the beauty of a city. B. To warn people on the roads of the danger ahead. C. To help make a car trip more exciting. D. To warn people to be careful while working. 5. The writer holds that people seldom . A. make their life easier B. turn their bright ideas into reality C. have bright ideas D. think of inventing something
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【简答题】磁感应线一般是一系列的曲线,在这些曲线上,每一点的切线方向就是该点的磁场___________,某处曲线的密度反映了该处磁场的___________。
【单选题】关于反应级数,说法正确的是( )。 (a) 只有基元反应的级数是正整数; (b) 反应级数不会小于零; (c) 催化剂不会改变反应级数; (d) 反应级数可以通过实验确定。
A.
a
B.
b
C.
c
D.
d
【判断题】发射式测光表是测光源照度的
A.
正确
B.
错误
【多选题】关于反应级数,说法不正确的是()
A.
只有基元反应的级数是正整数
B.
反应级数不会小于零
C.
催化剂不会改变反应级数
D.
反应级数都可以通过实验确定
【判断题】磁感线是磁场中实际存在的一些曲线,在这些曲线上,每一点的切线方向就是该点的磁场方向。
A.
正确
B.
错误
【简答题】小明和几位同学做手的影子游戏时,发现对于同一物体,影子的大小与光源到物体的距离有关.因此,他们认为:可以借助物体的影子长度计算光源到物体的位置.于是,他们做了以下尝试. (1)如图①,垂直于地面放置的正方形框架ABCD,边长AB为30cm,在其正上方有一灯泡,在灯泡的照射下,正方形框架的横向影子A′B,D′C的长度和为6cm.那么灯泡离地面的高度为 . (2)不改变①中灯泡的高度,将两个边长为30...
【单选题】磁感线上每一点的( )方向就是该点的磁场方向
A.
指向N极
B.
切线
C.
直线
D.
任意
【单选题】【习题12·单选题】某企业适用的所得税税率为25%,2017年实现利润总额1 350万元,其中,取得国债利息收入150万元,发生税收滞纳金3万元。不考虑其他因素,该企业2017年度利润表中所得税费用为( )万元。
A.
374.25
B.
337.5
C.
338.25
D.
300.75
【简答题】磁感线上每一点的切线方向就是该点的( )。
【判断题】(2017 年 ) 利润表中“所得税费用项目的本期金额等于当期所得税,而不应考虑递延所得税。
A.
正确
B.
错误
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