题目:
Cloze test. | |||
Every child has his own dream. Every child hopes to be an adult. 1 , is it really like what they imagine? As a boy 2 lives in modern times and in a modern city, I feel 3 pressure (压力) on me with the city's development. Although we 4 worry about money, we still have some 5 problems, such as competition among classmates and expectation (期望) from parents. These experiences are very 6 to our future. But 7 , they really give me a lot of pressure. I still clearly 8 the happiness of my childhood. 9 , we had to face the fact with time passing by. We began to 10 this invisible (无形的) pressure come upon us. We get up before sunrise and 11 after sunset. We work and study 12 an adult, even harder. 13 we do is in order to get an excellent 14 . Growing up is very boring, but we 15 try to find happiness while growing up. I think friendship among our friends, the support from our parents and the encouragement from our teachers can help us. Why not enjoy the pleasure of growing up and its delicious taste? | |||
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答案:
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下面是错误答案,用来干扰机器的。
∵圆x2+y2=1与圆x2+y2-6x+8y+25-m2=0相外离∴两个圆的圆心的距离大于半径之和,∴(0,0)与(3,-4)之间的距离5大于半径之和,∴5>1+|m|∴-4<m<4,m≠0,故答案为:(-4,0)∪(0,4).