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1、TEST 2Reading Comprehension Task 1Passage 1About ten men in every hundred suffer from colour blindness in some way; women are luckier only about one in two hundred is affected in this manner. There are different forms of colour blindness. A man may not be able to see deep red.He may think that red,
2、orange and yellow are all shades of green. Sometimes a person cannot tell the difference between blue and green. In rare cases an unlucky man may see everything in shades of greena strange world indeed.In certain occupations colour blindness can be dangerous and candidates are tested most carefully.
3、 For example, when fighting at night, soldiers use lights of flares to signal to each other. A green light may mean “Advance” and a red light may mean “Danger! Keep back!”, You can see what will happen if somebody thinks that red is green! Colour blindness in human beings is a strange thing to expla
4、in. In a single eye there are millions of very small things called “cones”, these help to see in a bright light and to tell the difference between colors. There are also millions of “rods” but these are used for seeing when it is nearly dark. They show us shape but not color. Wait until it is dark t
5、onight, and then go outside. Look round you and try to see what colors you can recognize.Birds and animals, which hunt at night, have eyes which contain few or no cones at all, so they cannot see colours. As far as we know, bats and adult owls cannot see colours at all only light and dark shapes. Si
6、milarly cats and dogs cannot see colours as well as we can.Insects can see ultraviolet rays which are invisible to us, and some of them can even see X-rays. The wings of a moth may seem grey and dull to us, but to insects they may appear beautiful, showing colours which we cannot see. Scientists kno
7、w that there are other colours around us which insects can see but which we cannot see. Some insects have favorite colours. Mosquitoes like blue, but do not like yellow. A red light will not attract insects but a blue lamp will.1. Among people who suffer from colour blindness, _.A) some may see ever
8、ything in shades of greenB) few can tell the difference between blue and greenC) few may think that red, orange and yellow are all shades of greenD) very few may think that everything in the world is in green2. When millions of rods in our eyes are at work in darkness we can see_.A) colours onlyB) s
9、hapes and coloursC) shapes onlyD) darkness only3. According to the passage, bats and adult owls cannot see colours _.A) because they hunt at nightB) because they cannot see lightC) because they have no cones and rodsD) because they have no cones4. According to the passage, dogs and cats _.A) as well
10、 as human beings can not see some coloursB) have fewer cones than human beingsC) have less rods than human beingsD) can see colours as well as human beings5. Which of the following is not true about insects?A) Insects can see more colours than human beings.B) Insects can see ultraviolet rays which a
11、re invisible to men.C) All insects have their favorite colours.D) The world is more colorful to insects than to human beings. Passage 2Air travel is such an everyday experience these days that we are not surprised when we read about a politician having talks with the Japanese Prime Minister one day,
12、 attending a conference in Australia the following morning and having to be off at midday to sign a trade agreement in BangkokBut frequent long-distance flying can be so tiring that the traveller begins to feel his brain is in one country, his digestion in another and his powers of concentration now
13、here -in short, he hardly knows where he is The fatigue we normally experience after a long journey is accentuated when we fly from east to west or vice versa because we cross time zones Doctors say that since air travelers are in no condition to work after crossing a number of time zones, they shou
14、ld go straight to bed on arrivalAirline pilots, in fact, whose experience is so obviously relevant that it ought to serve as a guide, often live by their own watches, ignoring local time, and have breakfast at midnight if necessaryThey have far less reason to worry about their health than executives
15、 because they are used to flying and are physically fit Business men who go on long-distance flights, however, are usually out for promotion and flattered to have been chosen because it adds to their status and prestige in the firmThey are lucky if the company is enlightened enough to insist on taki
16、ng the doctors advice and resting for a day before workingSometimes the managing director is such an energetic character that he expects everyone to be as fit as he isAs he has never that he expects everyone to be as fit as he isAs he has never felt any ill effects after flying himself, the schedule he lays down is so exacting that the e
