如图为甲、乙两个物体沿同一直线运动的位移图象，由图象可知 [ ] A．甲、乙的出

缺词填空 (共10空；每小题1分，计10分)

Eye is the w___小题1:_____ of our mind. We use our eyes to s____小题2:___ everything around us. Without eyes, nothing is left beside you b___小题3:____ darkness (黑暗).

How to protect our eyes? It's not r____小题4:____ to keep your eyes working for long time. You'd better not read in s____小题5:____ or poor light. Don't read in bed or on a moving bus. Remember to keep your books a___小题6:___ from your eyes for about a foot (英尺) and do eye e___小题7:___ every day. What's more, a good l___小题8:___ is necessary.

Follow my advice and form a good habit. It's time to say g____小题9:____ to thick g____小题10:____.

下列关于现阶段我国产业结构调整的中心任务与目标的表述正确的是( )。

A．在现阶段，我国产业结构调整的中心任务是优化升级，形成以高新技术产业为先导、基础产业和制造业为支撑、支柱产业全面发展的产业格局

B．巩固和加强农业的基础地位，增强农业的市场竞争力

C．走新型工业化道路，按照比较优势和优胜劣汰的原则调整企业组织结构，提高工业的整体素质和国际竞争力

D．优先发展信息产业，大力推进国民经济和社会信息化进程

E．大力发展现代服务业，改组改造传统服务业，加快服务业社会化、市场化步伐

China's first Mars probe，Yinghuo1，was launched in the second half of the year 2011 and it was the

first time that China ________ another planet.[ ]

A．explored  

B．researched

C．discovered  

D．invented

不同的二膦酸盐的抗骨吸收活性差别比较大，若以羟乙膦酸的活性为1计算，则阿伦膦酸盐的体内相对活性为（）

A.1

B.10

C.100

D.700

E.1000