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山东第一医科大学英语(4)
By no means to move to a new place far away from her workplace, because it isn.t convenient for her family and herself. A . Jane will agree B . will Jane agree C . Jane will disagree D . will Jane disagree
Voices were _________ as the argument between the two motorists became more bad-tempered. A . swollen B . raised C . developed D . increased
More than one teacher ____ told him it is important that he learn English well if heabroad. A . had; will go B . has; wants to go C . has; want to go D . have; shall go
- is the engineer’s husband ? - The neighbor of your brother in the corner. A . Who B . What C . How D . Which
Gene therapy and gene based drugs are two ways we could benefit from our growing mastery of genetic science. But there will be others as well. Here is one of the remarkable therapies on the cutting edge of genetic research that could make their way into mainstream medicine in the coming years. While it’s true that just about every cell in the body has the instructions to make a complete human, most of those instructions are inactivated, and with good reason: the last thing you want for your brain cells is to start churning out stomach acid or your nose to turn into a kidney. The only time cells truly have the potential to turn into any and all body parts is very early in a pregnancy, when so-called stem cells haven’t begun to specialize Yet this untapped potential could be a terrific boon to medicine. Most diseases involve the death of healthy cells—brain cells in Alzheimer’s, cardiac cells in heart disease, pancreatic cells in diabetes, to name a few; if doctors could isolate stem cells, then direct their growth, they might be able to furnish patients with healthy replacement tissue. It was incredibly difficult, but last fall scientists at the University of Wisconsin managed to isolate stem cells and get them to grow into neural, gut, muscle and bone cells. The process still can’t be controlled, and may have unforeseen limitations; but if efforts to understand and master stem??cell development prove successful, doctors will have a therapeutic tool of incredible power. The same applies to cloning, which is really just the other side of the coin; true cloning, as first shown with the sheep Dolly two years ago, involves taking a developed cell and reactivating the genome within, resetting its developmental instructions to a pristine state. Once that happens, the rejuvenated cell can develop into a full fledged animal, genetically identical to its parent. For agriculture, in which purely physical characteristics like milk production in a cow or low fat in a hog have real market value, biological carbon copies could become routine within a few years. This past year scientists have done for mice and cows what Ian Wilmut did for Dolly, and other creatures are bound to join the cloned menagerie in the coming year. Human cloning, on the other hand, may be technically feasible but legally and emotionally more difficult. Still, one day it will happen. The ability to reset body cells to a pristine, undeveloped state could give doctors exactly the same advantages they would get from stem cells: the potential to make healthy body tissues of all sorts, and thus to cure disease. That could prove to be a true “miracle cure.
An autobiography (自传)is only " a sort of life" --- it may contain less errors of fact thasn a biography(传记), but it is necessary even more than selective: it begins later and it ends too early. If one cannot close a book of memories on the deathbed, any conclusion could be made and I have preferred to finish this essay with the yers of failure which followed the acceptance of my first novel. Failure too is a kind of death: the furniture sold, the drawers emptied, the removal truck waiting to take one to a less expensive destination (地点). In another sense too a book like this can only be .a sort of life. , for in the course of sixty-six years I have spent almost as much time with characters in my imagination as with real men and women. Indeed, though I have been fortunate in the number of my friends, I can remember no stories of the famous -- the only stories which I more or less remember are the stories I have written. And the purpose for recording these events of the past? It is much the same purpose that has made me a novelist: a desire to reduce a great disorder of experience to some sort of order, and a hungry curiosity. We cannot love ourselves, and curiosity too begins at home. There is a fashion today among many people to treat the events of their past with irony 讽刺. It is a method of self-defence. .Look how stupid I was when I was young. keeps away cruel criticism, but it gives false account of history. We were not Eminent Georgians. Those emotions were real when we felt them. Why should we be more ashamed of them than of the indifference of old age? I have tried. however unsuccessfully, to live again the foolish things I did and to feel them, as I felt them then, without irony.
There is a very valuable lesson in this exercise that we are just through with.
It’s not easy to manage the company well.
With prices ____ so much, it is hard for the company to plan a budget. A . fluctuating B . waving C . swinging D . vibrating
It is well known that teaching is a job _____ enough patience. A . calling on B . calling off C . calling for D . calling in
No one has ______ been able to trace the author of the poem. A . still B . yet C . already D . just
Vingo was released from prison _________ the successful efforts of his friends to prove hisinnocence. A . according to B . as a result of C . for reasons of D . with the help of
He changed his name, that nobody would find out what he had done before. A . having thought B . to think C . thinks D . thinking
Entering the room,I found my father at the desk and something . A . seat; write B . seated; wrote C . seated; writing D . seating; writing
He stopped his ears with his hands to _________ the terrible noise. A . show off B . cut out C . keep from D . shut out