1、
The Truth about Left-Handed People
About 90% of people in the world today are right-handed.The other 10% are left-handed,including Obama,the President of the US.Every day,left-handed folks quietly face problems.It could be something as simple as driving a car or using a can opener.
Why are so few of us left-handed? One theory is that handedness ( hand preference) coulcl be a result of genetics.Scientists say that there are two genes (基因) associated with handedness.One is the D gene.lt is more frequent in the population and promotes (促成) right-hancl preference.The other is the C gene.It has the ability to promote a preference for either hand.When the C gene is present,there is a 50% chance that a person could be right- or left-handed.
Another theory has to do with human brains,which are made up of two halves.If the left half is more powerful,then one is most likely right-handed.But with left-handers,it is more complicated.
Seventy percent of them are also left-brain dominant (占优势的).The other 30% have right-side dominant brains.
During the 18th and 19th centuries,left-handedness was considered a disability.But not all of the myths about left-handers are bad.One myth suggests that they are more creative and smarter than the right-handers.So far scientific research has yet to find any truth to these claims.In fact,a 2013 survey out of New Zealand found that left-handers were the same.
Life might be a little more comlicated for left-handers when it comes to cutting to cutting a piece of paper or opening a bottle of wine.However,it seems to be a good sign if you are trying to make it to the White House.
1.The right-handers are nine times as many as the left-handers.
A. True
B. False
C. Not Given
试题答案:A
2、
填句补文
(单选题)A. The oldest son was strong.
B. He decided to teach them a lesson.
C. Therefore,their family was very poor.
D. But together,they had great strength.
E. Then the third had to build an even larger and finer boat.
F. He,too,struggled with all of his strength to break it,but still failed.
试题答案:F
3、
What can be learned from this text?
(单选题)A. Fresh milk is beneficial to people's health.
B. A town was named after Milton Hershey.
C. Chocolate became popular in the 1900s in the US.
D. Few people in the US have heard of Hershey chocolate.
试题答案:B
4、
The first time Mary carried the flowers to the hospital,she
(单选题)A. handed them to her grandma
B. placed them on the lbed
C. put them in a glass
D. left them on the table
试题答案:C
5、
Go for It!
While watching the Olympics the other night,l came across quite a sight. It was not a world record broken,but a show of determination.
The event was swimming and started with only three men on the blocks. For one reason or another,two of them false started,so they were disqualified (取消资格) . That left only one to compete. It would have been difficult enough,not having anyone to race against,even though the time on the clock is what's important.
I watched the man dive off the block and knew right away that he was not out for gold. His arms were flailing (乱摆) in an attempt at freestyle. Clearly this man was not a medal competitor.
I listened to the crowd begin to laugh at this poor man who was clearly having a hard time. Finally he made his turn to start back. You could tell he was tired out.
But in those few difficult strokes (划动) ,the crowd had changed.
No longer were they laughing,but beginning to cheer. Some even began to stand and shouted things like,“Come on,you can do it ! ” and“Go for it !” He did.
When this young man finally finished his race,the crowd went wild. You would have thought that he had won the gold,and he should have. Even though he recorded one of the slowest times in Olympic history.this man did his best.
Just a short year ago,he had never even swum,let alon raced.His country had been asked to Sydney as a polite gesture.But this man gave his all:he knew that he had no chance,but he competed because of the spirit of the games.
1)1 saw a world record being broken while watching the Olympics the other night.
A. True
B. False
C. Not Given
试题答案:B
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