下列说法，（）是正确的。 A.程序是文件 B.程序是为进行某项过程活动所规定的途径。

请仔细阅读下面小题中的个人说明，从A 到F的六个选项中，选出符合个人要求的最佳选项，其中一项为多余选项。

小题1:Jeff likes sports and travel. He would like something that can help him

spend boring time on his journey.

小题2: Mrs. Green doesn’t like to exercise, but she likes cooking and reading

books about foreign places. 

小题3:Mr. Dean wants to improve his garden during summer. So he would like something that could help him to do that.

小题4: Lisa , a  22-year-old girl, worries about her weight. She is wondering how to lose weight.

小题5:Sophia likes to look smart. When she is free, she enjoys listening to the music. Now she plans to learn something about music.

A．Learn how to play the guitar. This popular video helps the beginner to become

a guitar player in just 200 hours.

B．Road trips. A program loved by young people, especially those fat girls. Join in it and make yourself become thin.

C．The new pocket MP4. This kind of MP4 fits right into your pocket. It lets you listen to your favorite artist, even when you are on a journey.

D．Singapore. The story of a city. This book is about the history. the culture and the favorite dishes of this small country.E. Spanish in 10 Minutes a Day. A fun, 132-page complete language learning work book. Includes 150 sticky labels: flash cards, a crossword puzzle and more. It is one of the best-selling language series in print.

F. Special scissors(剪刀). This kind of tools will make it easy to deal with flowers and trees. Anyone can learn to use it quickly.

锥体束病损时，大脑失去了对脑干和脊髓的抑制作用而出现的异常反射称（）

A.浅反射

B.深反射

C.腱反射

D.病理反射

E.自主神经反射

南京长江二桥是省内最大的斜拉式大桥，对南京的发展有重大意义．请你运用所学的物理知识简要回答下列问题：

（1）大桥采用群桩基础，桩基工程由几十根大型水下钻孔灌注桩组成，每根桩的横截面积约为6m²，平均桩长50m，那么灌注l根桩需要密度为2.5g/cm³的混凝土多少t？每根桩对支持面产生的压强是多少？

（2）灌注大桥桥墩前，先在水下的基坑灌注了宽厚的钢筋混凝土基础，其目的是为了______．

（3）假设大桥两岸江面宽为1.2km，人们经渡轮过江约需20min，若大桥通车后，平均车速约为lOm/s，则人们乘车过江所需的时间比经渡轮过江所用的时间节省多少？

关于就业制度的改革，下列说法不正确的是[ ]

A．逐渐打破了“铁饭碗”，拓宽了就业渠道

B．是社会进步的要求

C．是人才竞争的需要

D．是社会就业制度的倒退

V102的设备名称为（），V103的设备名称为（），V104的设备名称为（），V105的设备名称为（），V107的设备名称为（）。