1.单选题- (共9题)

A.30° | B.20° | C.15° | D.14° |
2.选择题- (共2题)
根据短文内容,选择最佳答案。
Hello, everyone(每个人)! My name is Bob. I live in Toronto, Canada. It's a very beautiful city. My parents are from France. They speak French. And I can speak English and French.
I am 13 years old and my birthday is in November. I'm a middle school student. There are thirteen girls and fifteen boys in my class. They are from five countries. They all come to learn English. There are eight Chinese students in my class and six of them are my good friends. I like China very much because it is a great country. I want to learn Chinese. And I want to go to China.
3.填空题- (共8题)

则第n个图中的∠A1+∠A2+∠A3+…+∠An+1______.(用含n的代数式表示)

4.解答题- (共6题)
(1)如图1,当点P在线段CD上运动时,∠PAC,∠APB,∠PBD之间存在什么数量关系?请你猜想结论并说明理由.
(2)当点P在C、D两点的外侧运动时(P点与点C、D不重合,如图2和图3),上述(1)中的结论是否还成立?若不成立,请直接写出∠PAC,∠APB,∠PBD之间的数量关系,不必写理由.

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【1】题量占比
单选题:(9道)
选择题:(2道)
填空题:(8道)
解答题:(6道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:3
5星难题:0
6星难题:10
7星难题:0
8星难题:7
9星难题:3