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如圖,點A是雙曲線 在第二象限分支上的任意一點,點B、點C、點D分別是點A關于x軸、坐標原點、y軸的對稱點.若四邊形ABCD的面積是8,則k的值為
A.-1 B.1 C.2 D.-2
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下列事件為必然事件的是
A.任意買一張電影票,座位號是偶數 B.打開電視機,正在播放動畫片
C.3個人分成兩組,一定有2個人分在一組 D.三根長度為2cm,2cm,4cm的木棒能擺成三角形
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如圖,菱形ABCD的周長為24cm,對角線AC、BD相交于O點,E是AD的中點,連接OE,則線段OE的長等于
A.3cm B.4cm C.2.5cm D.2cm
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科目: 來源: 題型:閱讀理解
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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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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