1.单选题- (共5题)
| x | … | ﹣3 | ﹣2 | ﹣1 | 0 | 1 | … |
| y | … | ﹣6 | 0 | 4 | 6 | 6 | … |
从上表可知，下列说法正确的有多少个
①抛物线与x轴的一个交点为（﹣2，0）；
②抛物线与y轴的交点为（0，6）；
③抛物线的对称轴是直线x=
；④抛物线与x轴的另一个交点为（3，0）；
⑤在对称轴左侧，y随x增大而减少．
A. 2 B. 3 C. 4 D. 5
2.选择题- (共2题)
Sally: Good afternoon, Jenny.
Jenny: Good afternoon, Sally.
Sally: Oh, Jenny, this is my aunt Alice. Alice, this is my friend Jenny.
Jenny: Nice to meet you, Alice.
Alice: Nice to meet you, too, Jenny. Your school is very good. I like (喜欢) it.
Jenny: I like it, too.
Sally: Jenny is a good English teacher. Her students (学生) like her.
Jenny: Thank you, Sally.
Alice: Well, have a good day!
Sally & Jenny: Thanks. You, too. Bye.
根据材料内容判断正误。
Sally: Good afternoon, Jenny.
Jenny: Good afternoon, Sally.
Sally: Oh, Jenny, this is my aunt Alice. Alice, this is my friend Jenny.
Jenny: Nice to meet you, Alice.
Alice: Nice to meet you, too, Jenny. Your school is very good. I like (喜欢) it.
Jenny: I like it, too.
Sally: Jenny is a good English teacher. Her students (学生) like her.
Jenny: Thank you, Sally.
Alice: Well, have a good day!
Sally & Jenny: Thanks. You, too. Bye.
根据材料内容判断正误。
3.填空题- (共6题)
＝___.
=2的一个解是x=1，则a=____．
圈到达点B，那么所用细线最短需要___cm．
4.解答题- (共3题)
﹣2sin45°+（2﹣π）0﹣（
）﹣1；
•（a2﹣b2），其中a＝
，b＝﹣2（1）若购买两种树苗的总金额为90000元，求需购买甲、乙两种树苗各多少棵？
（2）若购买甲种树苗的金额不少于购买一中树苗的金额，至少应购买甲种树苗多少棵？
-
【1】题量占比
单选题:(5道)
选择题:(2道)
填空题:(6道)
解答题:(3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：5
7星难题：0
8星难题：4
9星难题：4