单项选择题：下列关于与电阻温度计配用的金属丝的叙述错误的为( )。A．通常不采用金丝 B．经常

题型：阅读理解

阅读理解

A. China, Torch Passing On

The torch for the 29th Olympic Games was lit on March 25, 2008. It arrived in Beijing at last before August 8 after traveling across 135 cities around the world over 130 days.

B. Reading, Happiness and Knowledge

On April 23, 2008, World Reading Day, billions of people opened their books and read. Books

brought them into a world of happiness and knowledge.

C. Chang'e into Space

Chang'e I, China's first moon satellite, went into space on October 24, 2007. It took pictures of the

moon and sent them back to the earth.

D. Plastic Bags Limited(受限制)

From June 1, 2008, the Chinese are not allowed to use common plastic(塑料的) bags thinner than 0.025 mm. Instead, they are encouraged to use cloth bags or environmental plastic bags.

E. Movie on Show

Do you believe cats are afraid of mice? It is so in Mouse Madness, an American cartoon movie,

which was on show in May, 2008.

将下面各句与上面的信息进行匹配，将字母序号填在横线上。

1. Ben is interested in movies, he might like reading .

2. Zhang Ying will go shopping. She could use cloth bags according to .

3. Mike wants to know something about the 29th Olympic Games. He may have read .

4. Maria can get some information about China's satellites after reading .

5. John's hobby is reading. He may feel happy and excited after reading .

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题型：选择题

若α为第一象限角，那么sin2α，cos2α，sin