先天性全白内障手术时间（） A.l岁以前 B.2岁 C.3岁 D.4岁 E.5岁以后

环境是影响人发展的重要因素。按生活环境的性质来分，环境可分为（）。

A．大环境

B．小环境

C．自然环境

D．社会环境

所有的电梯机房设备如限速器，电源控制箱，主机，主机底座，线槽，（）等要接入电梯专用接地系统，接地线须使用黄绿双色绝缘线，并且要有明显的接地标志，用户的（）不能接入该系统。

当今社会“感恩”话题盛行，总有一些有关感恩的人和事会让我们思考良久。这篇阅读表达题会给我们一些很好的启示，让我们有深深的感悟。

Our little boy came up to his mother in the kitchen one evening while she was fixing supper，and handed her a piece of paper that he had been writing on. After his mom dried her hands on an apron，she read it，and this is what it said：For cutting the grass $5. 00For cleaning up my room this week $1. 00For going to the store for you $0. 50

Baby－sitting my kid brother while you went shopping $0. 25

Taking out the garbage $1. 00

For getting a good report card $5. 00

For cleaning up and raking the yard $2. 00

Total owed: $14. 75

Well，I’ll tell you，his mother looked at him standing there expectantly，and boy，could I see the memories flashing through her mind. So she picked up the pen，turned over the paper he’d written on，and this is what she wrote：

For the nine months I carried you while you were growing inside me，No Charge.

For all the nights that I’ve sat up with you，doctored and prayed for you，No Charge.

For all the trying times，and all the tears that you’ve caused through the years，there’s No Charge.

For all the nights that were filled with dread，and for the worries I knew were ahead，No Charge

For the toys，food，clothes，and even wiping your nose，there’s No Charge，Son.

When you___________________，the cost of my love is No Charge.

Well，friends，when our son finished reading what his mother had written，there were great big old tears in his eyes，and he looked straight up at his mother and said：“Mom，I sure do love you. ”And then he took the pen and in great big letters he wrote：“PAID IN FULL”.

1. What’s the best title of the passage?

2. Which sentence in the passage is the closest in meaning to the following one?

Although you have brought me hard times and many tears in these years, you needn’t pay for them.

3. Please fill in the blank in the passage with proper words or phrases to complete the sentence.（within ten words）

4. What do you learn after reading the passage? （within 30 words）

5. Translate the underlined sentence into Chinese.

以下属于WDM系统的特点（相对SDH）的是（）。

A.节省光纤，充分利用光纤带宽

B.减小色散对系统的影响

C.光放大器的增益平坦

D.可实现各波长的ADM

1882年，达尔文因病去世，人们为了表达对他的敬仰，把他葬在威斯敏斯特教堂内牛顿墓旁。这种做法是因为（）。

A.达尔文进化论是对牛顿经典力学的继承和发展

B.他们都拥有卓越的科学成就和坚韧的探究精神

C.进化论和经典力学促进了近代自然科学的产生

D.他们将造物主从自然科学研究领域中驱逐出去