【文章內(nèi)容簡介】 ssibly the ocean, providing the most important means of transportation. There were no beasts of burden in North America and it is not certain if the Lenape（德拉瓦人） people used their dogs to carry things as some tribes did. What had to be transported was carried on people’s backs or in canoes. Canoes were made from the trunks of trees such as tulip trees, elms, oaks, or chestnuts. In fact, the Lenape name for the tulip tree is muxuhemenshi－ “the tree of which canoes are made”. Birch bark canoes were not used in the Lenape homeland because the type of birches growing there is not suitable for canoe making. 61． The underlined word “felling” in the first sentence means . A． falling B． growing C． planting D． cutting down 62． Which of the following is NOT included in the process of making a canoe? A． Scraping out the ashes with shells. B． Planting a tree. C． Burning the tree in small sections. D． Felling a great tree. 63． According to the first paragraph, we can learn that . A． Cutting trees is very important B． Letting trees get dry is the last process C． Burning the insides out of the trees had to be carefully watched D． A large canoe could move quietly along with twenty men in it. 64． It can be inferred that the things described in the passage . A． are happening in North America now B． happened not long ago C． happened long ago D． will happen in the future 65． What does the passage mainly discuss about? A． Lenape in North America. B． Tree burning. C． Transportation in North America. D． Canoe making. C After the face lift, the forehead tightening and the nose job, something might still show an old person’s age: his voice. For patients who think their trembly, hoarse words don’t match their newly firm face and figure, there’s a procedure that claims to make them sound younger too: the voice lift. There are two general kinds of voice lifts. In some cases, implants are inserted through an incision in the neck to bring the vocal cords(聲帶 )closer together. Doctors also inject fat or other substances（物質(zhì)） to make the cords bigger so that the voice sounds younger. The voice lift is being more widely known among the older people, who have tried to make themselves sound younger. “If I spoke a great deal, or I was shouting on a particular day, at the end of the day I would feel very tired,” said Robert Anzidei, 75, a retired man who had the voice lift several years ago. “I don’t know if I sound younger, but the hoarseness is gone, which is a great improvement.” The voice lift can also benefit people like performers, lawyers, teachers and telephone operators who need to have strong voices and want to take years off the sound of their voices. 66． What is the voice lift in this passage? A． A kind of operation to make a patient’s voice sound younger. B． Matching a patient’s voice with his face and figure. C． Raising a patient’s voice. D． Speaking loudly. 67． If one has a good voice, we can say that . A． he has implants in his neck B． his vocal cords are big and close together C． he has a voice lift D． he has a face lift 68． The underlined words “an incisinon” here means “ ”. A． a sharp cut B． a kind of metal C． a voice D． a tape 69． From the last paragraph, we can conclude that . A． people who get old should have voice lifts B． the vocie lift can reduce one’s age C． performers should have voice lifts D． people who use their voices a lot need strong voices 70． What is this passage mainly about? A． That the older one gets, the more possible he will get a trembly voice. B． That people should go and have a voice lift. C． A way to sound younger. D． How a voice lift is done. D The regular use of text messages and s can lower the IQ more than twice as much as smoking marijuana