0  356210  356218  356224  356228  356234  356236  356240  356246  356248  356254  356260  356264  356266  356270  356276  356278  356284  356288  356290  356294  356296  356300  356302  356304  356305  356306  356308  356309  356310  356312  356314  356318  356320  356324  356326  356330  356336  356338  356344  356348  356350  356354  356360  356366  356368  356374  356378  356380  356386  356390  356396  356404  447090 

2.下列晶体属于离子晶体的是

A.镁         B.干冰      C.氟化钾      D.金刚石

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1.温家宝总理在2010年政府工作报告中提出:“要大力开发低碳技术,推广高效节能技术,积极发展新能源和可再生能源。”下列有关做法与此不相符的是

A.回收废弃饮料包装纸,制作成公园内的休闲长椅

B.大力开发丰富的煤炭资源,减少对石油的依赖

C.在西部和沿海地区兴建风力发电站,解决能源问题

D.鼓励购买小排量汽车,推广与发展电动、混合动力汽车

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20. Yesterday my teacher said to my father with much regret, “Should your son make what his teachers teach _____, he would do much better in his studies.”

A. him               B. his                  C. himself        D. them 

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19.Having spent two days on one subject and ______ two on the other subject, I am now ready for the exam.

A.other             B.next                C.those         D.another

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18. Professor Wooden makes roughly $1,000 every week, and 60 percent of _________ is spent on books

  A. which           B. them                C. it             D. what

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17.We needed a new cupboard for the kitchen, so Bob made ____ from some wood we had.

A. it              B. one               C. himself              D. another

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16.John has tried many ways to solve the physics problems, but  works.

A.little              B.anything         C.none          D.nothing

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15. Medical care in the country cannot compare with big cities.

A.one of            B.that of          C.不填          D.the one of

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14. Your MP4 is quite cheap. Where did you buy _________? I want to buy _________, too.

A. one; one           B. it; it                 C. it; one         D. one; it

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13. I had to buy _________ these books because I didn’t know which one was the best.

A. both              B. none            C. neither          D. all

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