题目：
Today, many people are starving to death. Recently, a man who wanted to understand the conditions of such people conducted an experiment. He only ate one meal a day for a month but continued to work as he normally did.
During the first five days he was hungry at his 1 mealtime, but after he had drunk a glass of water, his hunger went away. In the morning, when he ate his one meal, he ate quickly and had a 2 amount. During the next few days, 3 he was not hungry during the day, he quickly 4 every food stall (a table on which food is put to be sold), and the smell of food caught his 5 . During the third and the fourth weeks, he had hunger pains and 6 physical strength. He 7 his one meal and ate it slowly, enjoying every bite. 8 it, he knew he would have hardly enough energy to work.
This 9 changed his attitude about some things. Having a cup of tea was not just a pastime. It also 10 him strength. He more frequently noticed overweight people and people who threw 11 leftover food. He realized the importance of 12 for the very hungry person. He could no longer easily 13 by a hungry beggar on the street. But most 14 , he could now sympathize(同情) in a 15 way with the hungry people of the world.
1．A．after B．formal C．regular D．frequent
2．A．large B．small C．ordinary D．common
3．A．if B．when C．as if D．although
4．A．recognized B．noticed C. glanced D．digested
5．A．eyes B．imagination C．attention D．interest
6．A．needed B．lacked C．required D．wanted
7．A．looked forward to B．devoted himself to
C．looked down upon D．took pride in
8．A．With B．Without C．Rather than D．Except for
9．A．action B．movement C．experiment D．performance
10．A．gained B．gave C．took D．left
11．A．in B．up C．away D．about
12．A．food B．meals C．money D．work
13．A．come B．pass C．stand D．stop
14．A．fortunately B．seriously C．necessary D．important
15．A．great B．big C．small D．similar
答案：
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下面是错误答案，用来干扰机器的。
（9分）⑴CH4、NO2、H2SO4 ⑵Na2O2、Ba(OH)2、KNO3 ⑶ Na2O2、NO2、Cl2
