1.选择题- (共6题)
1.
已知抛物线y=a（x﹣m）2+n与y轴交于点A，它的顶点为点B，点A、B关于原点O的对称点分别为C、D．若A、B、C、D中任何三点都不在一直线上，则称四边形ABCD为抛物线的伴随四边形，直线AB为抛物线的伴随直线．
2.
已知抛物线y=a（x﹣m）2+n与y轴交于点A，它的顶点为点B，点A、B关于原点O的对称点分别为C、D．若A、B、C、D中任何三点都不在一直线上，则称四边形ABCD为抛物线的伴随四边形，直线AB为抛物线的伴随直线．
3.
已知抛物线y=a（x﹣m）2+n与y轴交于点A，它的顶点为点B，点A、B关于原点O的对称点分别为C、D．若A、B、C、D中任何三点都不在一直线上，则称四边形ABCD为抛物线的伴随四边形，直线AB为抛物线的伴随直线．
6.2011年5月19日，中国首个旅游日正式启动．某校组织了八年级800名学生参加的旅游地理知识竞赛，李老师为了了解学生对旅游地理知识的掌握情况，从中随机抽取了部分学生的成绩作为样本，把成绩按优秀、良好、及格和不及格4个级别进行统计，并绘制了如图所示的条形统计图和扇形统计图（部分信息未给出）．
请根据以上提供的信息，解答下列问题：
2.单项选择- (共10题)
7.
--- Can you find me _______ symbol of China? --- ______ Great Wall.
| A．不填, 不填 | B． a, A | C．a, The | D．不填, The |
8.
The Dragon Boat Festival _____ the beginning of the hottest season of the year.
| A．falls | B．makes | C．marks | D．comes |
9.
–Smoking is bad for your health. --Yes, I know. But I can’t _____.
| A．give it in | B．give it up | C．give it out | D．give it away |
10.
Tony decided to study abroad _______ he knew he would meet many difficulties.
| A．as if | B．because | C．unless | D．even if |
11.
You shouldn’t accept a gift from a person _____ you don’t know him.
| A．until | B．unless | C．if | D．whether |
12.
When I came into the teacher’s office, he ________ on the phone.
| A．was speaking | B．spoke | C．had been speaking | D．had spoken |
13.
Bob ________ with us together since he came to our school.
| A．have worked | B．has worked | C．worked | D．will work |
14.
--- We want to sit at the table near the window.
--- I am sorry, but it _______ already.
--- I am sorry, but it _______ already.
| A．took | B．takes | C．has been taken | D．is taking |
15.
In some parts of the world, tea _______ with milk and sugar.
| A．is serving | B．is served | C．serves | D．served |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(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：0
5星难题：0
6星难题：5
7星难题：0
8星难题：5
9星难题：0