【正文】 let in and at oncecigarette smoke in her house? How? How? Had someone got in? Shethe back door and the were or fastened, was noof forced front Mondays smelt through same as Comprehension(40 points)Directions: There are four reading passages in this passage is followed by five each question there are four suggested answers marked A, B, C and the best answer and blacken the corresponding letter on the Answer 1Americans spend a lot of money in their daily people spend money on transportation to and from work and on various expenses throughout the enjoy shopping and buy many things that they need and spend a lot of money on buy sports equipment, to do sporting events and do many things that cost , many Americans don?t pay cash or write checks for these and more, they pay for things with credit cards（信用卡）.Credit cards are small, rectangular plastic give these cards to their the customer buys something at a store, he shows his card at the authorizes（委托）the store to charge（記入）the bank account for the customer?s bank collects all the charges for each once a month the bank requires the customer to pay all the charges for that bank does not force the customer to pay the full asks the customer to pay for the charges in several payments over a period of , the bank requires the customer to pay interest on the unpaid of the this way the bank allows customers to buy things they cannot afford at one can use the card to buy what they want and pay for it over a period of also do not need to carry a lot of do Americans pay for what they buy? They pay cash or write allowed to use credit cards cash, write checks or use credit pay cash nor use credit cards is a credit card? It?s a of money Americans are interested in type of check used by Americans to buy what they need rectangular plastic card used for money made of paper are some of the advantages in using credit cards? People get what they want and need when they have no money get things at a store they cannot afford at one time?t need to carry a lot of money and C often does the bank require its customer to pay all the charges? a a long period of time sooner, the moment he has plenty of money are allowed to use credit cards in the United Sates? who are authorized to spend who can make regular who can afford to pay interest on the unpaid of the who are very 2When you send a letter or a postcard, you have to put stamps on the envelope or on the did people first begin to use stamps? Who was the first to think of this idea?In the early nineteenth century, people did not use had to pay postage(郵費)when they received they didn?t want to receive a letter at all, but they had to pay money for were unhappy about postage was high at that time, because the post offices had to send many people to get the Hill was a schoolteacher in was the first to think of using stamps in thought it would be much easier for people to use could go to the post office to buy stamps and put them on envelopes before they sent the post office could just put seals(郵戳)on the stamps so that people could not use the stamps this way, the post office did not need to send postmen to get only needed fewer postmen to send began to use stamps the beginning of the nineteenth the middle of the nineteenth century than two hundred years people first sent letters and postcards stamps were used, postage paid by the paid by the letterreceivers got by B and C Hill the first a postman in England the idea of using the first man to use stamps stamps were used needn?t get needn?t pay postage post office could get more should pay more postage is the main idea of the passage? did stamps begin to be used? were postmen sent to get postage? did people first begin to use stamps? was the first to think of using stamps?Passage 3Have you ever wondered why different animals or pests have their particular colours? Colours in them seem to be used mainly to protect , especially seagulls, are very fond of locusts, but birds cannot easily catch locusts because locusts change their colours together with the change of the colour of crops are green, locusts look when crops are ripe, locusts take on exactly the same brown colour as crops other pests with different colours from plants are usually easily found and eaten by their they have to hide themselves in terror for lives and appear only at you study the animal life in any part of the world, you will find the main use of colouring is to protect , wolves and other beasts move quietly through areusually invisible to the eyes of hunters, because they have the colour much like the barks of even more strange act remains to be kind of fish living in seas can send out a kind of very black liquid when it faces the liquid spreads over, its enemies cannot find it, and it immediately swims , it has existed up to now though it is not powerful at passage mainly talks about change of colour in locusts protective coloration of animals and pests a certain sea fish protects itself or pests can dye themselves different colours are ________ but they are not easily wiped out by their enemies because 。they are powerful 。they are dangerous to their enemies。they take on the same colours as crops 。they fly extraordinarily fast pests that have different colours from plants usually appear at night because enemies can easily find them and eat them have the habit of ing out in darkness?s easy for them to destroy plants in darkness take their rest when night es and wolves have the same colour as barks of trees because fear other beasts like brown or grey colours enjoy walking through forests quietly colours help prevent themselves from being noticed certain fish living in seas has lived through millions of years because is the most powerful in the sea other fishes can swim so fast as it can can send out a kind of liqui