深秋的早晨,我们看到地面、花草上有一层白色的霜,霜的形成是( ) A.凝固现象

题型:选择题

问题:

深秋的早晨,我们看到地面、花草上有一层白色的霜,霜的形成是(  )

A.凝固现象

B.液化现象

C.凝华现象

D.升华现象

考点:凝华现象
题型:选择题

湖北省的神农架林区是属于( )

A.直辖管理

B.特别行政区

C.行政特区

D.民族自治区

题型:选择题

Material Girl no more? Madonna says writing children’s books is more satisfying than being a movie star.

Her book, The English Roses, wen t on sale on September 15th, appearing in 100 countries and in 30 languages as the first in her series of tales for children. The pop diva (女歌唱家), whose only book until now was the 1992 photo essay titled “Sex”, said she wrote the books to teach children some of the life lessons she’s learned over the years.

“The most fun that I’ve had of all the things I’ve done successfully has been to write these books. A lot of it has to do with the fact that I’m not doing it to become more famous, and I’m not doing it to become richer. I’m doing it because I want to share something I know with children.”

Hours after its release, the 43page book was already No. 3 on Amazon, com’s sales list. The first print is 1 million copies worldwide, with more than 750,000 in the United States. The English Roses is about a friendship shared by four girls and their mutual (共同的) envy of a beautiful classmate, with illustrations (插图) by fashion artist Jeffrey Fulvimari.

“There is one lifegiving force in the world,” Madonna declared. “When we disconnect from this lifegiving force, that’s when we bring pain and suffering into our lives. Each of the stories has to do with different ways you disconnect from God. ”Madonna also said she was deeply affected by the experience of raising two children, Lourdes, 6, and Rocco, 3. The English Roses is the latest among a growing number of celebritywritten children’s books.

The next book in the series, “Mr Peabody’s Apples,”will be out in November.Each tale is set in a different time and  place and has new characters and different illustrators.

1.How many books does Madonna’s series of tales include?

A.At least 3.             B.4.             C.At least 2.               D.6.

2.According to the idea of Madonna, the underlined phrase “life-giving force”in Paragraph 5 refers to       .

A.The English Roses.      B.God            C.Mr Peabody’s Apples.   D.her life

3.When Madonna said writing children’s books was more satisfying than being a movie star,she meant that        .

A.she was more satisfied with her writing children’s books

B.she was more satisfied as a movie star       C.being a movie star was not really successful

D.she was not a Material Girl any more

4.According to the passage,Madonna wrote the book The English Roses in order to        .

A.provide children with fun                      B.teach children some life lessons

C.teach children how to become famous             D.share her success with children

题型:选择题

胶状液氢(主要成分是H2和CH4)有望用于未来的运载火箭和空间运输系统。实验测得:101 kPa时,

1 mol H2完全燃烧生成液态水,放出285.8 kJ的热量;1 mol CH4完全燃烧生成液态水和CO2,放出

890.3 kJ的热量。下列热化学方程式书写正确的是[ ]

A.CH4(g)+2O2(g)====CO2(g)+2H2O(l);ΔH=+890.3 kJ·mol-1

B.CH4(g)+2O2(g)====CO2(g)+2H2O(l);ΔH=-890.3 kJ·mol-1

C.CH4(g)+2O2(g)====CO2(g)+2H2O(g);ΔH=-890.3 kJ·mol-1

D.2H2(g)+O2(g) ====2H2O(l);ΔH=-285.8 kJ·mol-1

题型:选择题

简述SBS橡胶改性沥青卷材施工的操作要点。

题型:选择题

从分配器实际使用安装角度看,通常又分为()分配器和()分配器。

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