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It hasn't always been easy to know the time. A long time ago people looked at the sun, the sun was their clock. They could tell the time of day by the position of the sun in the sky: morning, Boon, or afternoon.
After many years people began to see something else about the sun. When the sun shone on something, it made a dark shadow behind it. This was the place that didn't get sunlight. As the sun moved across the sky, the shadow moved too. People could tell time better by the shadows of things than by the sun. They set something long and pointed in the ground so the shadow was easier to see.
About the same time people began to make sundials. A sundial has round flat part called a dial. A long, thin, pointed stick stands in the center. There are 12 lines in the dial to divide the day into 12 parts. When the shadow of the stick fails on a certain part, people know it is a certain part of the day.
Around the year 1250, someone made the first mechanical(机械的)clock. It was a mechanical clock because it was a machine that ran by itself. It did not need the help of anything in nature.
People began to use the hourglass around 1400. An hourglass is made from glass, and is wide at the top and bottom but very narrow(狭窄的)in the middle. There is sand in one part. When people want to keep time, they place the hourglass on the table with all the sand on top. The sand takes an hour to run from the top into the bottom part. At the end of every hour people turn the glass over and begin again.
People carried the first watch in their pockets. Then during World War I men started wearing their watch on their wrists(手腕), not in their pockets. It was easier and faster to tell the time in this way. Now almost everyone wears a wristwatch.
Today people want to know the exact time. The time they have must be the right time, not a few minutes early or late. Radio and TV stations, train, airplanes, science, and business all need to know that they have the same exact time.
1．After many years in ancient times, people found they could tell time better by ________.
[ ]
2．The mechanical clock was invented ________.
[ ]
3．An hourglass is ________.
[ ]
A．made from glass and is narrow at the top
B．made from sand and is narrow in the middle
C．made from glass and wide at the top and bottom
D．is full of sand and narrow at both ends
4．The timepiece which is more popular than most others is ________.
[ ]
5．Choose the best title for the passage.
[ ]
Cast your mind back to the past twenty years and hardly did anyone have their own email account. The Internet had just taken off in 1991 and people were only using office and PCbased email exchanges.
In the mid 1990s external email providers appeared. The most famous of these was Hotmail, the first free email provider and webbased email service. Sabeer Bhatia and Jack Smith launched Hotmail on July 4, 1996. And Microsoft took note of and bought Hotmail for $400 million on December 30, 1997, a nice birthday present for Bhatia who turned 29 that day. It was relaunched as MSN Hotmail and in 2007 was relaunched again as Windows Live Hotmail.
Fast forward the present day and most of us have at least a personal webbased email account. It seems impossible to live without them. One of the biggest advantages of email is the fact that communication has become so much easier, especially with those across different time zones. Email takes seconds to send a message whereas letters, as we used to communicate by, could take weeks. Of course there was the fax, that beeping invention from the 1980s, but it wasn’t as secure as email and you never knew if the person on the other end had picked up your fax or if it had got lost somewhere in the office.
In conclusion, one of the best inventions from the 1990s has to be email. But sometimes people are too closely connected to their email and have a compulsion to check it several times a day. At work, people have become lazy and instead of going to speak to the person sitting next to them, they send an email，causing an in box to pile up with more time spent reading email and responding rather than working. Clearly, an invention that saved time because of its quick and speedy connection can now also cause us to waste a lot of time.
1.The earliest web-based email came into being probably _______.
A. in 1991 B. in 1996 C. in 1997 D. in 2007
2.The author mentions “fax” in the third paragraph in order to tell us that _______.
A. it is exactly as good as email
B. it is much better than email
C. it is less convenient than email
D. it is easier and faster than email
3.The underlined word “compulsion” in Paragraph 4 probably means “_______”.
A. strong desire B. common sense C. special curiosity D. general idea
4.Which is the main idea of the last paragraph?
A. We should check email boxes frequently.
B. Lazy people like sending an email.
C. Email brings us great convenience.
D. Good inventions also cause problems.
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Cast your mind back to the past twenty years and hardly did anyone have their own email account. The Internet had just taken off in 1991 and people were only using office and PCbased email exchanges.
In the mid 1990s external email providers appeared. The most famous of these was Hotmail, the first free email provider and webbased email service. Sabeer Bhatia and Jack Smith launched Hotmail on July 4, 1996. And Microsoft took note of and bought Hotmail for $400 million on December 30, 1997, a nice birthday present for Bhatia who turned 29 that day. It was relaunched as MSN Hotmail and in 2007 was relaunched again as Windows Live Hotmail.
Fast forward the present day and most of us have at least a personal webbased email account. It seems impossible to live without them. One of the biggest advantages of email is the fact that communication has become so much easier, especially with those across different time zones. Email takes seconds to send a message whereas letters, as we used to communicate by, could take weeks. Of course there was the fax, that beeping invention from the 1980s, but it wasn’t as secure as email and you never knew if the person on the other end had picked up your fax or if it had got lost somewhere in the office.
In conclusion, one of the best inventions from the 1990s has to be email. But sometimes people are too closely connected to their email and have a compulsion to check it several times a day. At work, people have become lazy and instead of going to speak to the person sitting next to them, they send an email，causing an in box to pile up with more time spent reading email and responding rather than working. Clearly, an invention that saved time because of its quick and speedy connection can now also cause us to waste a lot of time.
1.The earliest web-based email came into being probably _______.
A. in 1991 B. in 1996 C. in 1997 D. in 2007
2.The author mentions “fax” in the third paragraph in order to tell us that _______.
A. it is exactly as good as email
B. it is much better than email
C. it is less convenient than email
D. it is easier and faster than email
3.The underlined word “compulsion” in Paragraph 4 probably means “_______”.
A. strong desire B. common sense C. special curiosity D. general idea
4.Which is the main idea of the last paragraph?
A. We should check email boxes frequently.
B. Lazy people like sending an email.
C. Email brings us great convenience.
D. Good inventions also cause problems.
查看习题详情和答案>>
Cast your mind back to the past twenty years and hardly did anyone have their own email account. The Internet had just taken off in 1991 and people were only using office and PCbased email exchanges.
In the mid 1990s external email providers appeared. The most famous of these was Hotmail, the first free email provider and webbased email service. Sabeer Bhatia and Jack Smith launched Hotmail on July 4, 1996. And Microsoft took note of and bought Hotmail for $400 million on December 30, 1997, a nice birthday present for Bhatia who turned 29 that day. It was relaunched as MSN Hotmail and in 2007 was relaunched again as Windows Live Hotmail.
Fast forward the present day and most of us have at least a personal webbased email account. It seems impossible to live without them. One of the biggest advantages of email is the fact that communication has become so much easier, especially with those across different time zones. Email takes seconds to send a message whereas letters, as we used to communicate by, could take weeks. Of course there was the fax, that beeping invention from the 1980s, but it wasn’t as secure as email and you never knew if the person on the other end had picked up your fax or if it had got lost somewhere in the office.
In conclusion, one of the best inventions from the 1990s has to be email. But sometimes people are too closely connected to their email and have a compulsion to check it several times a day. At work, people have become lazy and instead of going to speak to the person sitting next to them, they send an email，causing an in box to pile up with more time spent reading email and responding rather than working. Clearly, an invention that saved time because of its quick and speedy connection can now also cause us to waste a lot of time.
1.The earliest web-based email came into being probably _______.
A. in 1991 B. in 1996 C. in 1997 D. in 2007
2.The author mentions “fax” in the third paragraph in order to tell us that _______.
A. it is exactly as good as email
B. it is much better than email
C. it is less convenient than email
D. it is easier and faster than email
3.The underlined word “compulsion” in Paragraph 4 probably means “_______”.
A. strong desire B. common sense C. special curiosity D. general idea
4.Which is the main idea of the last paragraph?
A. We should check email boxes frequently.
B. Lazy people like sending an email.
C. Email brings us great convenience.
D. Good inventions also cause problems.
查看习题详情和答案>>
Cast your mind back to the past twenty years and hardly did anyone have their own email account. The Internet had just taken off in 1991 and people were only using office and PCbased email exchanges.
In the mid 1990s external email providers appeared. The most famous of these was Hotmail, the first free email provider and webbased email service. Sabeer Bhatia and Jack Smith launched Hotmail on July 4, 1996. And Microsoft took note of and bought Hotmail for $400 million on December 30, 1997, a nice birthday present for Bhatia who turned 29 that day. It was relaunched as MSN Hotmail and in 2007 was relaunched again as Windows Live Hotmail.
Fast forward the present day and most of us have at least a personal webbased email account. It seems impossible to live without them. One of the biggest advantages of email is the fact that communication has become so much easier, especially with those across different time zones. Email takes seconds to send a message whereas letters, as we used to communicate by, could take weeks. Of course there was the fax, that beeping invention from the 1980s, but it wasn’t as secure as email and you never knew if the person on the other end had picked up your fax or if it had got lost somewhere in the office.
In conclusion, one of the best inventions from the 1990s has to be email. But sometimes people are too closely connected to their email and have a compulsion to check it several times a day. At work, people have become lazy and instead of going to speak to the person sitting next to them, they send an email，causing an in box to pile up with more time spent reading email and responding rather than working. Clearly, an invention that saved time because of its quick and speedy connection can now also cause us to waste a lot of time.
1.The earliest web-based email came into being probably _______.
A. in 1991 B. in 1996 C. in 1997 D. in 2007
2.The author mentions “fax” in the third paragraph in order to tell us that _______.
A. it is exactly as good as email
B. it is much better than email
C. it is less convenient than email
D. it is easier and faster than email
3.The underlined word “compulsion” in Paragraph 4 probably means “_______”.
A. strong desire B. common sense C. special curiosity D. general idea
4.Which is the main idea of the last paragraph?
A. We should check email boxes frequently.
B. Lazy people like sending an email.
C. Email brings us great convenience.
D. Good inventions also cause problems.
查看习题详情和答案>>