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【简答题】
某晶体管工作在放大区,如果基极电流从20μA变化到40μA时,集电极电流从1mA变为2mA,则交流电流放大系数β约为( )。
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【简答题】Read the following passage, and then answer thequestion. The widow Elsa was as complete a contrast to her third bridegroom,in everything but age, as can be conceived. Compelled to relinquish her first...
【单选题】Jesus' LifeAlthough born in Bethlehem, according to Matthew and Luke, Jesus was a Galilean（加利利人） from Nazareth, a village near Sepphoris, one of the two major cities of Galilee. He was born to Joseph ...
A.
Jesus was jobless throughout his life.
B.
Jesus lived to old age on earth.
C.
Jesus healed many people with kinds of diseases.
D.
Jesus was wealthy when he was on earth.
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【单选题】听力原文：W: The dish is delicious. I never knew that you are so good at cooking. M: Thanks. But the credit should go to Mary. She prepared everything. If it weren't for her, I'd never cook. Oh, please hav...
A.
The man is an excellent cook.
B.
The man is a house-husband.
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Mary helped a lot in cooking the dish.
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The man has never cooked before.
【简答题】私人介绍信 April 26,2006 Dear Barbara, This letter will introduce my best friend Mary Brown of whom you've often heard me mention.She is going to be in Washington D.C.next monthto lecture.I want very much ...
【单选题】Conceived in this way, comprehension will not follow exactly the same track for each reader. What is in question is not the retrieval of an absolute, fixed or ‘true’ meaning that can be read off and c...
A.
[A] Are we studying that text and trying to respond in a way that fulfils the requirement of a given course? Reading it simply for pleasure? Skimming it for information? Ways of reading on a train or in bed are likely to differ considerably from reading in a seminar room.
B.
[B] Factors such as the place and period in which we are reading, our gender, ethnicity, age and social class will encourage us towards certain interpretations but at the same time obscure or even close off others.
C.
[C] If you are unfamiliar with words or idioms, you guess at their meaning, using clues presented in the context. On the assumption that they will become relevant later, you make a mental note of discourse entities as well as possible links between them.
D.
[D] In effect, you try to reconstruct the likely meanings or effects that any given sentence, image or reference might have had: these might be the ones the author intended.
E.
[E] You make further inferences, for instance about how the text may be significant to you, or about its plausibility – inferences that form the basis of a personal response for which the author will inevitably be far less responsible.
F.
[F] In plays, novels and narrative poems, characters speak as constructs created by the author, not necessarily as mouthpieces for the author’s own thoughts.
G.
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【单选题】听力原文：M: The dish is delicious. I never knew that you are so good at cooking. W: Thanks. But the credit should go to Mary. She prepared everything. If it weren't for her, I'd never cook. Oh, please hav...
A.
The woman is an excellent cook.
B.
The woman is a housewife.
C.
Mary helped a lot in cooking the dish.
D.
The woman has never cooked before.
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