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
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
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
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
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
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
16.John has tried many ways to solve the physics problems, but works.
A.little B.anything C.none D.nothing
15. Medical care in the country cannot compare with big cities.
A.one of B.that of C.不填 D.the one of
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
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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