1.单选题- (共6题)
)-2，d=(
)0，则a、b、c、d大小关系正确的是( )
| A．4 | B．3 | C．6 | D．8 |
的积中x的一次项系数为零，则m的值是（ ）
| A．7.6×108克 | B．7.6×10-7克 |
| C．7.6×10-8克 | D．7.6×10-9克 |
2.选择题- (共8题)
根据短文理解, 从A、B、C、D四个选项中选择最佳答案填空。
An old friend from the US whom I was looking forward to staying with telephoned from the airport to tell me that he had arrived. I was still at the 1 at that time, but I had got everything ready for his arrival. After letting him know where my house was, I told him that I had left the 2under the doormat(门垫), 3 I was likely to be home rather late. I told him to go into the 4 and help himself to food and drink. Two hours later my friend 5 me from the house. At the moment, he said, he was listening to some of my records after having just had a truly wonderful 6 . He had found a cooker and 7 two eggs and he helped himself to some cold chicken from the ice box. He said he was drinking a glass of orange juice and he hoped I would 8him. When I asked him if he had reached the house without difficulty, he answered, "I was not able to find the key, 9 luckily, the living-room windows Just by the apple tree were left open and you know what I could do." I listened to all this in 10 . In front of my living-room there was no apple tree at all.
A : {#blank#}1{#/blank#} you happy with our new house, Winnie?
B : Yes. I like the living room best.
A : {#blank#}2{#/blank#}?
B : Because it faces {#blank#}3{#/blank#}. There's a lot of sunshine.
A: What do you want to {#blank#}4{#/blank#} in the living room.
B: I want to have a party with my friends.{#blank#}5{#/blank#} room do you like, Mum?
A: I like the {#blank#}6{#/blank#}. There are many books in it. I can read books in it.
A : {#blank#}1{#/blank#} you happy with our new house, Winnie?
B : Yes. I like the living room best.
A : {#blank#}2{#/blank#}?
B : Because it faces {#blank#}3{#/blank#}. There's a lot of sunshine.
A: What do you want to {#blank#}4{#/blank#} in the living room.
B: I want to have a party with my friends.{#blank#}5{#/blank#} room do you like, Mum?
A: I like the {#blank#}6{#/blank#}. There are many books in it. I can read books in it.
A : {#blank#}1{#/blank#} you happy with our new house, Winnie?
B : Yes. I like the living room best.
A : {#blank#}2{#/blank#}?
B : Because it faces {#blank#}3{#/blank#}. There's a lot of sunshine.
A: What do you want to {#blank#}4{#/blank#} in the living room.
B: I want to have a party with my friends.{#blank#}5{#/blank#} room do you like, Mum?
A: I like the {#blank#}6{#/blank#}. There are many books in it. I can read books in it.
A : {#blank#}1{#/blank#} you happy with our new house, Winnie?
B : Yes. I like the living room best.
A : {#blank#}2{#/blank#}?
B : Because it faces {#blank#}3{#/blank#}. There's a lot of sunshine.
A: What do you want to {#blank#}4{#/blank#} in the living room.
B: I want to have a party with my friends.{#blank#}5{#/blank#} room do you like, Mum?
A: I like the {#blank#}6{#/blank#}. There are many books in it. I can read books in it.
3.填空题- (共7题)
，
这个数据用科学记数法表示为
,那么
___________．
4.解答题- (共10题)
（1）分别化简下列各式：
（x﹣1）（x+1）= ；
（x﹣1）（x2+x+1）= ；
（x﹣1）（x3+x2+x+1）= ；
…
（x﹣1）（x99+x98+…+x+1）= ．
（2）请你利用上面的结论计算：
299+298+…+2+1
399+398+…+3+1
（1）求∠BFD的度数.
（2）若∠BAD=∠EBC，∠C=41°，求∠BAC的度数.
（1）将它们摆成如图①的位置（点E、F在AB上，点C在DF上，DE与AC相交于点G).求∠AGD的度数.
（2）将图①的△ABC固定，把△DEF绕点F按逆时针方向旋转n°.
①当△DEF旋转到DE∥AB的位置时（如图2）， n = ；
②若由图①旋转后的EF能与△ABC的一边垂直，则n的值为 .
（1）至少需要多少平方米地砖？
（2）如果铺的这种地砖的价格为每平方米60元，那么李叔叔至少需要花多少元钱？
图1 图2 图3
(1)探究一：三角形的一个内角与另两个内角的平分线所夹的角之间的关系
已知：如图1，在△ADC中，DP、CP分别平分∠ADC和∠ACD，
试探究∠P与∠A的数量关系，并说明理由．
(2)探究二：四边形的两个个内角与另两个内角的平分线所夹的角之间的关系
已知：如图2，在四边形ABCD中，DP、CP分别平分∠ADC和∠BCD，
试探究∠P与∠A＋∠B的数量关系，并说明理由．
(3)探究三：六边形的四个内角与另两个内角的平分线所夹的角之间的关系
已知：如图3，在六边形ABCDEF中，DP、CP分别平分∠EDC和∠BCD，
请直接写出∠P与∠A＋∠B＋∠E＋∠F的数量关系：__ __ __．
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【1】题量占比
单选题:(6道)
选择题:(8道)
填空题:(7道)
解答题:(10道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：1
5星难题：0
6星难题：10
7星难题：0
8星难题：3
9星难题：9