With the _________ (develop) of industry, air pollution is getting more and more serious. In Beijing, many people suffer different kinds of illnesses because
_________ air pollution.
Air pollution is caused by the following __________: about half of the problem is caused by vehicles. There are more and more cars, buses on the roads, and they give off
__________ (poison) gases.25% of air pollution is caused by factories. Another factor is the smokers. Smoking not only does harm to their health
__________ to others.
_________ these, about 10% of air pollution is caused by other reasons.
We should take some measures to fight __________ pollution. New fuel can be used to take
___________ place of gas. We can plant more trees. If everybody realizes the
__________ (important) of environment and does something to stop pollution, the problem will
_______ (solve) .
Technological developments have also played their part ______ keeping Valentine’s Day relevant in the 21st century. Valentine’s ecards have been very popular in recent years.
Now，Valentine’s Day is celebrated in many countries around the world. However, the traditions often differ from place to place.
In Japan，for example，it is normal _______the woman to send chocolates to the man, ___
___in South Korea April 14th is known as “Black Day” and is when the unfortunate men who received nothing on Valentine’s Day gather to eat noodles and show sympathy for each other.
_______is believed that he tried to find comfort from his imprisonment by writing love poems to his wife.
Nobody knows exactly ________St.Valentine was，although some historians suggest he was ___
___Roman killed in the third century AD by a Roman Emperor.
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Last night was the last game for my eight-year-old son’s soccer team. It was the final quarter. The score was two to one, my son’s team the lead. Parents surrounded the playground, offering encouragement.
With less than ten (remain) seconds, the ball suddenly rolled in front of my son’s teammate, Mickey O’ Donnel. With shouts of “Kick it!” echoing across the playground, Mickey turned around and gave
everything he had. All around me the crowd erupted (沸腾). O’Donnel had scored!
Then there was (silent). Mickey had scored all right,
in the wrong goal, ending the game in a tie. For a moment there was a total hush. You see, Mickey has Down Syndrome（综合症）and for him there is
such thing as a wrong goal. All goals were celebrated by a joyous hug from Mickey. He had even been known to hug the opposing players when they scored.
The silence was finally (break) when Mickey, his face filled with joy, hugged my son
(tight) and shouted, “I scored! I scored. Everybody won! Everybody won!” For a moment I held my breath, not sure how my son would react. I need not
(worry). I watched, through tears, as my son threw up his hand in the classic high-five salute and started chanting, “Way to go Mickey!” Within moments both teams surrounded Mickey, joining in the chant and congratulating him on his goal.
Later that night, when my daughter asked had won, I smiled as I replied, “It was a tie. Everybody won.”
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