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如图,点A是双曲线 在第二象限分支上的任意一点,点B、点C、点D分别是点A关于x轴、坐标原点、y轴的对称点.若四边形ABCD的面积是8,则k的值为
A.-1 B.1 C.2 D.-2
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下列事件为必然事件的是
A.任意买一张电影票,座位号是偶数 B.打开电视机,正在播放动画片
C.3个人分成两组,一定有2个人分在一组 D.三根长度为2cm,2cm,4cm的木棒能摆成三角形
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如图,菱形ABCD的周长为24cm,对角线AC、BD相交于O点,E是AD的中点,连接OE,则线段OE的长等于
A.3cm B.4cm C.2.5cm D.2cm
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科目: 来源: 题型:阅读理解
| A.My friend and his dog. | B.A clever dog. |
| C.A guest who likes talking. | D.How to keep a police dog. |
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| A.will have to | B.needn’t | C.Sure, I’d love | D.No, thanks |
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科目: 来源: 题型:阅读理解
| How to make sure that you can do 1 on test days | |
| 2 | Things you do |
| Going to bed early | Not 3 up or being asleep for test day |
| Having a good breakfast | Eating 4 low-sugar, high-energy food |
| Being prepared | Remembering to 5 two pencils and the 6 things you were asked to bring |
| Watching the numbers | The number of your answer should 7 the number of the question |
| Looking over all the choices | Don’t assume that the choice A is correct 8 you’ve checked the others |
| Checking the clock | 9 your time carefully and not spending too much on any difficult question |
| You will get the skills you need 10 you keep up with your schoolwork all year long | |
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