1、26.2 用函數(shù)的觀點看一元二次方程基礎(chǔ)掃描1二次函數(shù)與x軸的交點個數(shù)是（ ）A0 B1 C2 D32.已知：二次函數(shù)，下列說法錯誤的是（ ）A當1時，隨的增大而減小; B若圖象與軸有交點，則;C當時，不等式0的解是13;D若將圖象向左平移1個單位，再向上平移3個單位后過點（1，2），則.3二次函數(shù)的部分對應(yīng)值如下表：二次函數(shù)圖象的對稱軸為 ，對應(yīng)的函數(shù)值 。4.如圖,拋物線的對稱軸是，與軸交于A、B兩點，若B點的坐標是，則A點的坐標是 .5.已知拋物線與軸交于A、B兩點，則A、B兩點間的距離為 。能力拓展6二次函數(shù)的圖象如圖所示，根據(jù)圖象解答下列問題。

2、九年級下冊 Unit 6 Caring for yourhealth練習D卷一、 單項選擇 (共15題；共30分)1. （2分）What do you do when you feel low? Listen to some light music or have a talk with my best friend.A . excitedB . pleasedC .。

3、九年級下冊 Unit 4 Natural disasters檢測題C卷一、 單項選擇 (共10題；共20分)1. （2分）Im too busy. I dont have time to go shopping with you.A . have much timeB . dont likeC . have no time2. （2分）The road is so narr。

4、九年級下冊 Unit 6 Caring for yourhealth練習（II ）卷一、 單項選擇 (共15題；共30分)1. （2分）How did you ________ the man who was bitten on his leg by your pet dog? I sent him to the hospital as soon as possible.A。

5、九年級下冊 Unit 4 Natural disasters檢測題B卷一、 單項選擇 (共10題；共20分)1. （2分）The road is so narrow that buses are unable to .A . stayB . comeC . pass2. （2分）The line is . What should we do?A . deafB .。

6、九年級下冊 Unit 6 Caring for yourhealth練習C卷一、 單項選擇 (共15題；共30分)1. （2分）In order to keep healthy, I have a medical examination every year.A . narrowB . regularC . same2. （2分）I dont know ______ he。

7、九年級下冊 Unit 5 Sports 檢測題D卷一、 單項選擇 (共10題；共20分)1. （2分）Its a shame that the game had to be cancelled because of the bad weather. Take it easy.A . pityB . mistakeC . surprise2. （2分）A is a p。

8、九年級下冊 Unit 4 Natural disasters檢測題A卷一、 單項選擇 (共10題；共20分)1. （2分）The line is . What should we do?A . deafB . aliveC . dead2. （2分）The road is so narrow that buses are unable to .A . stayB。

9、九年級下冊 Unit 6 Caring for yourhealth練習A卷一、 單項選擇 (共15題；共30分)1. （2分）What do you do when you feel low? Listen to some light music or have a talk with my best friend.A . excitedB . pleasedC .。

10、九年級下冊 Unit 4 Natural disasters檢測題D卷一、 單項選擇 (共10題；共20分)1. （2分）Im too busy. I dont have time to go shopping with you.A . have much timeB . dont likeC . have no time2. （2分）The road is so narr。

11、九年級下冊 Unit 4 Natural disasters檢測題（I）卷一、 單項選擇 (共10題；共20分)1. （2分）The line is . What should we do?A . deafB . aliveC . dead2. （2分）The street will be flooded when it rains heavily.A . filled。

12、九年級下冊 Unit 5 Sports 檢測題A卷一、 單項選擇 (共10題；共20分)1. （2分）A _____ is two people who are married and live together.A . coupleB . familyC . husband2. （2分）When you ________ at an airport, you arrive。

13、九年級下冊 Unit 6 Caring for yourhealth練習B卷一、 單項選擇 (共15題；共30分)1. （2分）They are cooking in the kitchen, and talking with each other now and then.A . again and againB . for nowC . from time to time。

14、九年級下冊 Unit 5 Sports 檢測題B卷一、 單項選擇 (共10題；共20分)1. （2分）I need to apply for a ________ because I will go to Canada next month. A . ticketB . jobC . passport2. （2分）A is a popular holiday center。

15、九年級下冊 Unit 5 Sports 檢測題C卷一、 單項選擇 (共10題；共20分)1. （2分）What a shame! You missed such a wonderful film. A . pityB . surpriseC . joy2. （2分）We all know that the Moon ________ around the Earth.。

16、九年級下冊 Unit1 Great explorations練習A卷一、 單項選擇 (共15題；共30分)1. （2分）I like running as well as swimming, because they are both good for my health.A . andB . orC . but2. （2分）Someone who is is ready。

17、九年級下冊 Unit 6 Caring for yourhealth練習（I）卷一、 單項選擇 (共15題；共30分)1. （2分）I dont know _________.A . what time the movie startsB . what time starts the movieC . the time to start the movieD . the m。

18、九年級下冊 Unit5 Sport 練習C卷一、 單項選擇 (共15題；共30分)1. （2分）Oh, the traffic is too heavy.Lets change _______ route to the airport.A . otherB . othersC . the otherD . another2. （2分）_________ he。

19、九年級下冊 Unit5 Sport 練習B卷一、 單項選擇 (共15題；共30分)1. （2分）A ________ is a beautiful place. A lot of people spend their holiday there. A . resortB . poolC . continent2. （2分）_________ he was very tire。

20、九年級下冊 Unit5 Sport 練習A卷一、 單項選擇 (共15題；共30分)1. （2分）A ________ is a beautiful place. A lot of people spend their holiday there. A . resortB . poolC . continent2. （2分）_________ he was very tire。