函数y=2（x+1）2是由y=2x2向______平移______个单位得到的．

阅读理解.

     An old scientist recently made several tests with different animals to find out which was cleverer than

other animals.

     In one test the old scientist put a monkey in a room where there were several boxes. Some boxes

wereinside other boxes. One small box had some food in it. The scientist wanted to watch the monkey

and to find out how long it would take the monkey to find the food. The scientist left the room. He waited

a few minutes outside the door. Then he got down on his knees (膝盖) and put his eyes to the keyhole.

What did he see? To his surprise, he found himself looking into the eye of the monkey. The monkey was

on the other side of the door and looked at the scientist through the keyhole.

1. The scientist did the test to see _____.

    A. if the monkey would steal (偷) the food

    B. if the monkey would look for the food

    C. if the monkey was cleverer than other animals

    D. if some boxes were inside other boxes

2. In one test the scientist put a monkey _____.

    A. into a small box

    B. into several small boxes

    C. into a box where there was some food

    D. in a room

3. After the scientist left the room, the monkey _____.

    A. began to eat food

    B. began to look for food

    C. looked at the scientist through the keyhole

    D. came into the boxes one after another

4. The scientist _____.

    A. got down on his knees and waited outside the door

    B. got down on his knees and heard with his ears

    C. left the room for a long time

    D. looked at the monkey through the keyhole with his eyes

5. To the scientist's surprise _____.

    A. the monkey got down on its knees

    B. the monkey came out of the room

    C. the monkey looked at the scientist through the window

    D. the monkey put its eye to the keyhole

皮肤基底细胞癌为（）

A.来源于皮肤或基底细胞，发展迅速，转移早

B.伴有色素沉着时，呈黑色，变为恶性黑色素瘤

C.对放射线敏感，可放疗，也可手术切除

D.经常发生血液和淋巴转移

E.为高度恶性肿瘤

一个完整的计算机系统的组成是

A．主机及外部设备

B．主机、键盘、显示器和打印机

C．系统软件和应用软件

D．硬件系统和软件系统

E．硬件系统

风形成的直接原因是（）。

A．空气上升与下降的对流运动

B．水平方向上气压的差异

C．不同区域气温的差异

D．垂直方向上空气密度的差异

新蒸汽温度不变而压力升高时，机组末几级的蒸汽（）增加。