根据句意和提示写出单词，完成句子。
【小题1】Women in China are usually dressed in     (红色的) on their wedding day.
【小题2】How    (容易) you will find it to use the mobile phone if you know the function!
【小题3】The    (时装) show held by UNICEF last week was a big success.
【小题4】Seeing these old ladies get on the bus,   (几个) students offered them their seats.
【小题5】We need your help to  (筹集) money for those homeless children.
【小题6】The traffic lights are    (控制) by a central computer.
【小题7】The ORBIS volunteers were      (自豪的) to help so many blind people in need.
【小题8】The naughty boy ran into the garden and    (吓唬) the little cat away.
【小题9】“Help     (you) to some fish.” Lucy said to Aunt Amy politely.
【小题10】John is so   (honest) that no one believes him.
【小题11】Many people do not know the  (important) of the wetlands.
【小题12】There were thirty people in the classroom,   (include) the teacher.
【小题13】The  (develop) of science has changed our world a lot.
【小题14】Chinese national teams are   (active) preparing for London Olympic Games.
【小题15】The boy is more than 2 metres in      (high) and he is good at playing basketball.

Science has told us so much about the moon that it is quite easy to form an idea of what it would be like to go there. It is certainly not a friendly place. As there is no air or water, there can be no life of any kind. Mile after mile there are only plains(平原) of dust with mountains around them. Above, the sun and stars shine in the black sky. If you step out of the mountains shadows, it will mean moving from terrible cold into great heat. The moon is also a very silent(安静的) world, for sound waves (声波)can only travel through air. But from the moon, you can see a friendly sight(景色). Our earth is shining more brightly than the stars. It looks like a large ball, coloured blue and green and brown.
(   ) 16.What kind of place is the moon?
A. It is a friendly place.             B. It is a lively place.
C. It is a nice place for man to live.    D. It is a lifeless place.
(    ) 17.Temperatures on the moon____.
A. are usually the same everywhere   B. Are always very low
C. can be very different              D. are usually very high
(    ) 18.The moon is a silent world because____.
A. there is no life there              B. there is no air there
C. there is no water there             D. there is not a green tree there
(   ) 19. When we look from the moon, the sky is ____.
blue          B. black         C. green           D. brown
(  ) 20. Mile after mile there are only plains of dust with mountains around them. The word “dust” means “___”.
A. dump (垃圾堆)    B. dry earth (泥土)    C. land       D. field

In old times，man considered lightning to be one of the great mysteries（神秘事物）of nature．In fact a single flash of lightning 1.6 kilometers long has enough electricity to light one million lamps．
The American scientist，Benjamin Franklin，was the first to suggest that lightning is in fact electricity formed between the earth and clouds high above．It happened in 1752．In the same year，he also built the first lightning rod（避雷针）to protect buildings from being struck by lightnings．
Modern science has discovered that lightning is very strong and powerful．A lightning between a cloud and the earth may be as long as 13 kilometers，and travels at a speed of 30 million meters per second．Scientists have the opinion that there are about 2000 million flashes of lightning per year．In the United States alone，it kills almost one person per day．
The safest place to be in during an electrical（电的）storm is a closed car．Outside，one should go close to low ground for cover and not stop under a tree．Also one should stay out of water and away from metal fences．Inside a house people should keep away from open doorways and windows and not touch wires or metal things．
【小题1】From this passage we know lightning is____．