试题与答案

到两坐标轴的距离之和等于2的点的轨迹方程是() A.x+y=2 B.x+y=±2

题型:选择题

题目:

到两坐标轴的距离之和等于2的点的轨迹方程是                        (   )
A.x+y=2 B.x+y=±2 C.|x|+|y|=2 D.|x+y|=2

答案:

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1. make myself understood 2. was last seen playing with computer 3. must have got lost 4. dress herself/get herself dressed/get dressed herself 5. being noticed 6. make room for you 7. how to tie her shoes 8. tears easily 9. twice the size 10. depends on the weather

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