题目内容
【题目】Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000 km, but sound travels only 344m. You can get some idea of this difference by watching the start of a race. If you stand some distance away from the Starter, you can See smoke come from his gun before the sound reaches your ears. This great speed of light produces some strange facts. Sunlight takes about 8 minutes to reach us. If you look at the light of the moon tonight, remember that the light rays (光线) left the moon 1.3 seconds before they reached you. The nearest star is so far away that the light which you can see from it tonight started to travel towards you four years ago at a speed of nearly 2 million km per minute. In some cases the light from one of tonight’s stars started on its journey to you before you were born.
Thus, if we want to be honest, we cannot say “The stars are shinning tonight.” We have to say, “The stars look pretty. They were shining four years ago but their light has only just reached Earth.”
【1】Light speed is __________ sound speed.
A. as fast as
B. a million times slower than
C. about millions of times faster than
D. about a million times faster than
【2】If you stand 200 meters away from a man who is firing a gun to start a race, you will find out that __________.
A. you can hear the sound before you see the smoke
B. the sound does not travel as fast as light
C. the sound will reach you before the man fires
D. sound travels about a million times faster than light
【3】Sunlight obviously (显然的) __________ than the light of the moon.
A. has to travel a greater distance B. moves less quickly
C. travels much more quickly D. is less powerful
【4】The scientific way of saying “The stars are shining tonight” should be __________.
A. the stars have been shining all the time
B. the stars seen tonight will shine four years later
C. the stars were shining long ago but seen tonight
D. the starlight seen today could be sera four years ago
【答案】
【1】D
【2】B
【3】A
【4】C
【解析】
【1】D 事实细节题。由第1段第1句可知。
【2】B 推理判断题。由第1段最后一句推出。
【3】A 推理判断题。由第2段的第2句(太阳光到达地球需要8分钟) 和第3句(月光到达地球仅需1.3秒) 可推出(太阳光走过的距离明显远于月光)。
【4】C 推理判断题。由最后一段的最后一句They were shining four years ago, but their light has only just reached the earth可推出。
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Life is not easy when you are pursuing something worthwhile and ready to learn from the best experiences. It always takes tests and then fails us to learn anything worthwhile. Here are five life lessons which people will learn the hard way in majority of cases.
It takes consistent time and effort to be an expert in any area. People usually get discouraged when it takes more time than they thought it would. At this time, people refer only to people who have already achieved what they want to do. Look at any successful person and you’ll notice one thing common in all of them: they took time to learn and mastered their skill like no one else. There is no elevator to success; you have to take the stairs.
You don’t have to live your life in a way society wants you to. Many old beliefs are being performed these days and are followed blindly. Parents sometimes force their children to select a career they don’t want because other children have selected that career. Worst of all, people follow them without even asking. There is no harm in believing in old beliefs but when you pursue them before your interest, sooner or later you’ll realize that you should first do what you think is right.
We don’t care about the things we get easily. Take health for example. Very few people take their health seriously. They know that if their health is lost, they won’t be happy, but they still eat junk food and never exercise. Why? Because they don’t take their health seriously and the real reason behind that is they have got it for free. We spend thousands on cars and take care of them nicely. Imagine what would have been the price of human body if we had to pay for it?
Be brave to take the road less traveled. In our whole life, we always want to follow the same path that everyone suggests, do the same thing everyone does, take the same career path everyone takes, wear the same clothes everyone wears, and hang out with the same people we work with. Why? Because we are scared to fail. But when you get bored of life, you realize that you are not meant to do what everyone does and that your destiny is different than anyone else’s out there in the world. But the price we pay to realize this is high because it takes a great amount of courage to follow your own trail by listening to your heart.
Break the rules sometimes. We follow rules so that things are in order and no one is disturbed unnecessarily. This is true in case of traffic and other company rules but when it comes to your life, there are rules made by people who are scared to do something apart from their routine and therefore they made rules to prevent others doing so. But when time passes by and you think you are not being directed towards your goal and these so-called rules are your biggest obstacles, BREAK THEM. Sometimes, we need to be bold and act courageously.
5 life lessons you will learn the hard way | |
Be 【1】 to achieve success | ●Time-consuming tasks often bring【2】 to people. ●What successful people have in 【3】 is that they took time to learn and mastered their skill. |
Live your own life | ●Old beliefs have their value, but their being followed【4】 sometimes may make people suffer. ●It is not a good idea to abandon what you are【5】 in for old beliefs. |
Never ignore the things we get easily | Most people don’t【6】 what they get for nothing, like health. |
Take the road by listening to your heart | ●People are usually trying to be like someone else because they are afraid of 【7】 . ●You need to be 【8】 to listen to your heart before you pay a high price. |
Break the rules sometimes | ●People tend follow rules so that they can【9】 making things out of order. ●When rules become 【10】 to your |