Most young people enjoy some form. of physical activity. It may be walking, cycling or swimming, or in winter, skating or skiing; it may be a game of some kind: football, hockey, golf, or tennis; it may be mountaineering.
Those who have a passion for climbing high and difficult mountains are often looked upon with astonishment. Why are men and women willing to suffer cold and hardship, and to take risks on high mountains? This astonishment is caused probably by the difference between mountaineering and other forms of activity to which men give their leisure.
Mountaineering is a sport and not a game. There are no man-made rules, as there are for such games as golf and football. There are, of course, rules of a different kind which it would be dangerous to ignore, but it is this freedom from man-made rules that makes mountaineering attractive to many people. Those who climb mountains are free to use their own methods.
If we compare mountaineering and other more familiar sports, we might think that one big difference is that mountaineering is not a 'team game'. We should be mistaken in this. There are, it is true, no 'matches' between 'teams' of climbers, but when climbers are on a rock face linked by a rope on which their lives may depend, there is obviously team work.
The mountain climber knows that he may have to fight forces that are stronger and more powerful than man. He has to fight the forces of nature. His sport requires high mental and physical qualities.

A.hardship
B.cold
C.physical
H.all


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4.It is an astonishing fact that there are laws of nature, rules that summarize conveniently (1)_____ qualitatively but quantitatively—how the world works. We might (2)_____ a universe in which there are no such laws, in which the 1,080 elementary particles that (3)_____ a universe like our own behave with utter and uncompromising abandon. To understand such a universe we would need a brain (4)_____ as massive as the universe. It seems (5)_____ that such a universe could have life and intelligence, because being and brains (6)_____ some degree of internal stability and order. But (7)_____ in a much more random universe there were such beings with an intelligence much (8)_____ than our own, there could not be much knowledge, passion or joy.
(9)_____ for us, we live in a universe that has at least important parts that are knowable. Our common sense experience and our evolutionary history have (10)_____ us to understand something of the workaday world. When we go into other realms, however, common sense and ordinary intuition (11)_____ highly unreliable guides. It is stunning that as we go close to the speed of light our mass (12)_____ indefinitely, we shrink toward zero thickness (13)_____ the direction of motion, and time for us comes as near to stopping as we would like. Many people think that this is silly, and every week (14)_____ I get a letter from someone who complains to me about it. But it is virtually certain consequence not just of experiment but also of Albert Einstein's (15)_____ analysis of space and time called the Special Theory of Relativity. It does not matter that these effects seem unreasonable to us. We are not (16)_____ the habit of traveling close to the speed of light. The testimony of our common sense is suspect at high velocities.
The idea that the world places restrictions on (17)_____ humans might do is frustrating. Why shouldn't we be able to have intermediate rotational positions? Why can't we (18)_____ faster than the speed of light? But (19)_____ we can tell, this is the way the universe is constructed. Such prohibitions not only (20)_____ us toward a little humility; they also make the world more knowable.

A.just
B.very
C.just
D.not

7.If you are what you eat, then you are also what you buy to eat. And mostly what people buy is scrawled onto a grocery list, those ethereal scraps of paper that record the shorthand of where we shop and how we feed ourselves. Most grocery lists end up in the garbage. But if you live in St. Louis, they might have a half-life you never imagined: as a cultural document, posted on the Internet.
For the past decade, Bill Keaggy, 33, the features photo editor at The St. Louis Post-Dispatch, has been collecting grocery lists and since 1999 has been posting them online at www. Grocery lists, org. The collection, which now numbers more than 500 lists, is strangely addictive. The lists elicit two-fold curiosity—about the kind of meal the person was planning and the kind of person who would make such a meal. What was the shopper with vodka, lighters, milk and ice cream on his list planning to do with them? In what order would they be consumed? Was it a he or a she? Who had written 'Tootie food, kitten chow, bird food stick, toaster scrambles, coffee drinks'? Some shoppers organize their lists by aisle; others start with dairy, go to cleaning supplies and then back to dairy before veering off to Home Depot. A few meticulous ones note the price of every item. One shopper had written in large letters on an envelope, simply, 'Milk'.
The thin lines of ink and pencil jutting and looping across crinkled and torn pieces of paper have a purely graphic beauty. One of life's most banal duties, viewed through the curatorial lens, can somehow seem pregnant with possibility. It can even appear poetic, as in the list that reads 'meat, cigs, buns, treats'.
One thing Keaggy discovered is that Dan Quayle is not alone—few people can spell bananas and bagels, let alone potato. One list calls for 'suchi' and 'strimp'. 'Some people pass judgment on the things they buy,' Keaggy says. At the end of one list, the shopper wrote 'Bud Light' and then 'good beer'. Another scribbled 'good loaf of white bread'. Some pass judgment on themselves, like the shopper who wrote 'read, stay home or go somewhere, I act like my mom, go to Kentucky, underwear, lemon'. People send messages to one another, too. Buried in one list is this statement: 'If you buy more rice, I'll punch you.' And plenty of shoppers, like the one with both ice cream and diet pills on the list, reveal their vices.
What would people usually do with their grocery list after shopping?

A.
B.
C.
D.'
E.
What
F.Buying
G.
B.Recording
H.
C.Throwing
I.
D.Posting
J.