在横线处填上适当的数,使多项式能用十字相乘法分解x2-3x+______.

题型:填空题

问题:

在横线处填上适当的数,使多项式能用十字相乘法分解x2-3x+______.

考点:因式分解
题型:填空题

请看下边的漫画,漫画中是虚荣者的成功之路。它说明[ ]

①虚荣的人是为了自己化妆,追求的是表面的荣耀和光彩

②虚荣的人在自己走向成功的道路上是此路不通的

③虚荣的人是对自己负责,追求的是踏实

④虚荣的人常将名利作为行动的内在动力,总是在乎他人对自己的评价

A.①②③

B.①②③④

C.②③④

D.①②④

题型:填空题

在处理国际保险业务的活动中,()的介入,符合国际上的一贯做法。

A.保险经纪人

B.保险代理人

C.保险公估人

D.保险中介

题型:填空题

牙周膜中最常见的细胞

A.成骨细胞

B.破骨细胞

C.间充质细胞

D.成纤维细胞

E.以上都是

题型:填空题

动词填空。

1. Bad weather _____ (cause) natural disasters from time to time.

2. They  _____  (arrest) anyone yet because they don't know who did it.

3. _____  (compare) with ours, the traffic here is much busier, I think.

4. We can never follow the fashion because it  _____  (change) all the time.

5. The new kind of mobile phone you are crazy about  _____  (sell) out yesterday.

6. I wonder whether  _____  (attend) the meeting this afternoon or not.

7. I was about to go when I realized that I  _____  (leave) the money on the desk.

8. I'm sorry I didn't catch what you said because I  _____  (consider) the new plan.

9. After washing the dishes, she's used to  _____  (dry) them with a piece of dry cloth.

10. He is such a stubborn boy that he would rather  _____  (punish) than say sorry to others.

题型:填空题

嫦娥二号发射实现了6个方面的技术创新与突破。这说明[ ]

A、我国整体科技水平已居发达国家行列

B、科技创新是国家的事,与个人无关

C、科教兴国,创新是关键        

D、科技创新需要完全引进国外的先进技术

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