一些考试题目,高分请求正确答案!

填空题(4*5)1:直角三角形两直角边分别为a,b,则斜边长c=?(写计算公式)2:分解公因式:X*X-7X-8=?3:分解公因式:(a-b)平方=?4:落霞与孤鹜齐飞,... 填空题(4*5)
1:直角三角形两直角边分别为a,b,则斜边长c=?(写计算公式)
2:分解公因式:X*X-7X-8=?
3:分解公因式:(a-b)平方=?
4:落霞与孤鹜齐飞,(填下半句)
选择题(10*8)
1:(16+4)(16-4)=(?)
2:设三角形ABC之顶点坐标分别为A(0,0)B(3,4)C(3-1)则三角形ABC为何种三角形?
3:lg2+lg5=?
4:You're drinking to much. Only at home.No one ___me but you.A sees B had seen C is seeing D saw
5:Taiwan is part __ China.A in B of C off D on
6:To find the best in__.A the other B others C another D other
7:I didn't __ to take a taxi but I had to sa I was late.
A suppose B assume C hope D mean
8:As the years __,Grandma and Penny became inseparable.
A was passed B were passed C passed D has passed
9:There are signs__restaurants are becoming more popular with families. A which B that C in which D whose
10:After a year's service,Mr Yang plans to return to Beijing and find another job.She also plans to do __ for people who need help.
A more B the more C better D the better

请告诉一下,感谢了。完全正确的话送200分~
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2007-03-08
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填空题
1. c=根号(a平方+b平方)
2. (X+1)(X-8)
3. a平方-2ab+b平方
4. 秋水共长天一色
选择题
1. 240
2. 等腰三角形
3. lg2+lg5=1
4. D
5. B
6. A
7. A
8. C
9. B
10.A
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2007-03-08 · 超过18用户采纳过TA的回答
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根号下(a 的平方加b 的平方)
(x-8)*(x+1)
(a-b)^2=(a-b)*(a-b) 展开式是a^2+b^2-2ab
秋水共长天一色
20*12=240
等腰三角形
1
BBBDCBA
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