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根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多途选项。
Laser(激光)is short for Light Amplification by Stimulated Emission of Radiation．Laser light is different from daylight or electric lights．Industry put lasers to work almost immediately after they were invented in nineteen sixty． 1 ．
The first medical operation using a laser took place the year following its invention．Doctors Charles Campbell and Charles Koester used a laser to remove a tumor from a patient's eye at Columbia-Presbyterian Hospital in New York City． 2 ．
Lasers have made measurement an exact science．Astronomers have used lasers to measure the moon's distance from Earth． 3 ．For example, drawing a perfectly level straight line on a construction site is easy using a laser．
4 ．And the jewelry industry uses lasers to write on the surface of the world's hardest substance, diamonds．
Lasers are found in many products used almost everywhere．Over one hundred years ago, writers imagined that beams of light could be powerful weapons．Today, lasers guide missiles and bombs．American defense companies are working on giant laser guns recognizable to science fiction fans everywhere． 5 ．
Scientific American magazine says huge lasers turn only about twenty to thirty percent of the energy they use into a laser beam．The rest is lost as heat．
That has not stopped scientists from working to perfect powerful lasers that, one day, may be able to shoot missiles out of the sky．
A．But weapons were not the first to use it on the list．
B．All lasers have several things in common．
C．Mappers and builders use laser technology every day．
D．But there are technological difficulties．
E．Lasers have also changed the way we communicate．
F．Manufacturers have used lasers for years to cut and join metal parts．
G．Since then, doctors have used lasers to cut and remove tissue safely with little risk of infections．
假设你是某所中学的学生，3月22日（世界水日）你参加了你班开展的一系列节水宣传活动。请根据以下四幅图的先后顺序，以日记的形式记录当天的活动内容。
注意：词数不少于60。
提示词：宣传材料leaflets; 危机 crisis
March 22，2010 Monday Sunny
Today is World Water Day.
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（请将情景作文写在答题卡指定区域内）
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根据下列表格中的内容，写一则旅行日记
注意：1．表格中所列内容不得遗漏，要意思连贯，表达清楚。
2．词数：80词左右
October 15th Saturday Fine
Today we went on an organized trip to Shaohua Mountain．
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阅读下面短文，掌握其大意，然后从每题所给的四个选项(A、B、C和D)中，选出最佳选项。
Mary had her own special kind of joy, and she knew exactly how to spread it around. She lifted children from 31 into laughter, love, and belonging. Each time she found a new 32 for a child, she gave the family one of her little homemade paper roses. It had become a 33 for her, and the families didn't ever forget it.
One evening, Mary was 34 a meeting for adoptive parents. One of the 35 fathers stood up to introduce himself. But before he spoke, he reached into his coat pocket and held up a 36 , red paper rose.
“Twenty years ago today, I felt alone and 37 . I didn't know the talents inside me or what was possible for me.
Then Mary 38 two wonderful people into my life. They taught me what it was like to feel 39 . They not only loved me 40 . They opened a world of 41 that I didn't know existed. My new parents told me, ‘Reach for your dreams!’
I did, and today I'm 42 to be giving that chance to a child who 43 just like me. My mother gave me this little rose. By now, all of you 44 where she got it so long ago.
Mary sent me a new rose just yesterday. And my new rose 45 a new spring, a beautiful new 46 for my own little girl. It 47 me to show her what unconditional love is, and to teach her to reach for her own beautiful dreams.
Thank you, Mary, for the special little things like roses that 48 our lives together. And thank you for all you've done for me and so many families over the years!”
One brief even can send our spirits soaring or 49 us in quiet to ponder a new beginning. 50 it is also the very small things, like Mary's roses, that tie together the meaningful things.
A. poverty B. loneliness C. misery D. suffering
A. home B. place C. school D. life
A. glory B. favor C. habit D. tradition
A. organizing B. planning C. hosting D. attending
A. new B. grateful C. kind D. active
A. broken B. faded C. treasured D. dried
A. tasteless B. powerless C. priceless D. worthless
A. directed B. introduced C. brought D. accepted
A. loved B. protected C. cared D. cheered
A. silently B. continuously C. unintentionally D. unconditionally
A. necessities B. possibilities C. beauties D. riches
A. eager B. willing C. proud D. lucky
A. started out B. came up C. turned out D. grew up
A. understand B. guess C. tell D. know
A. replaces B. symbolizes C. equals D. creates
A. chance B. mystery C. challenge D. beginning
A. reminds B. helps C. accompanies D. drives
A. fix B. close C. tie D. gather
A. cause B. push C. put D. leave
A. Yet B. Besides C. Otherwise D. Therefore
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