The minimum theoretical sampling frequency of voice signal is .
A.300 Hz
B.3.4 KHz
C.6.8KHz
D.8 KHz
A.300 Hz
B.3.4 KHz
C.6.8KHz
D.8 KHz
Destruction of the environment is one of the most senous____we face today. |
[ ] |
A. challenges B. chances C. opportunities D. failures |
阅读理解。 |
"Confidence" is probably one of the most noticeable traits (品质) in the Americans. They show confidence in the way they talk, the way they smile, the way they dress and the way they walk. Living and competing with all these confident American students, I find it extremely important to be confident as an international student and instructor. As a student, being confident means you should never hesitate to raise your hand whenever a question or a point comes to your mind. Don't mind if it sounds simple or silly. Otherwise you will never get a chance to speak in class at all. What's worse, the professors may think you are not prepared for the discussion or you do not have your own opinion on the issue-this is the last comment any graduate would like to receive. Being confident for me as a foreign instructor means calmly asking the student to repeat what he or she has said if I did not get it. Pretending to understand what you actually did not may just bring yourself embarrassment or even disgrace. But the time I most need to be confident is when my students come to my office and bargain about the grades I have given for their speeches. (The course I'm teaching here is Public speaking). Modesty is a trait highly valued in China, but it won't be of much help here if you want to survive and succeed in a good American graduate program. |
1. To compete with American students it's very important to____. |
A. be quite confident B. be polite and friendly C. have more discussions with them D. understand what they think about |
2. A professor will have the worst opinion of a student who____. |
A. gives a silly or simple answer B. tries to seize any chance to speak in class C. shows no interest in the course D. is considered to have no opinion of his own |
3. The author is most likely to feel embarrassed if____. |
A. he asks a student to repeat what he has said B. the students bargain with him C. he pretends to know what he doesn't D. he has to give a speech |
4. We learn from the second paragraph that____. |
A .we should also remain modest in America B. modesty doesn't help you much in America C. Americans also like modest people D. modesty can help you through an American graduate program |
5. What can we infer from the passage? |
A. American students are ready to accept the grades from the teacher. B. The writer teaches in Europe for a living. C. Students are encouraged to present simple questions. D. One's ignorance will give away in time. |
A、Shanhai Pass
B、Jiayu Pass
C、Simatai
D、Badaling
One of the most interesting and distinctive of all uses of language is commentary. An oral reporting of ongoing activity, commentary is used in such public arenas as political ceremonies, parades, funerals, fashion shows and cooking demonstrations. The most frequently occurring type of commentary may be that connected with sports and games. In sports there are two kinds of commentary, and both are often used for the same sporting event. “play-by-play” commentary narrates the sports event, while “color –adding” or “color” commentary provides the audience with pre-event background, during-event interpretation, and post-event evaluation. Color commentary is usually conversational in style and can be a dialogue with two or more commentators. Play-by-play commentary is of interest to linguists because it is unlike other kinds of narrative, which are typically reported in past tense. Play-by-play commentary is reported in present tense. Some examples are “he takes the lead by four” and “she’s in position.” One linguist characterizes radio play-by-play commentary as “a monologue directed at an unknown, unseen mass audience who voluntarily choose to listen…and provide no feedback to the speaker.” It is these characteristics that make this kind of commentary unlike any other type of speech situation. The chief feature of play-by-play commentary is a highly formulaic style of presentation. There is distinctive grammar not only in the use of the present tense but also in the omission of certain elements of sentence structure. For example “Smith in close” eliminates the verb, as some newspaper headlines do. Another example is inverted word order, as in “over at third is Johnson.” Play-by-play commentary is very fluent, keeping up with the pace of the action. The rate is steady and there is little silence. The structure of the commentary is cyclical, reflecting the way most games consist of recurring sequences of short activities---as in tennis and baseball---or a limited number of activity options---as in the various kinds of football. In racing, the structure is even simpler, with the commentator informing the listener of the varying order of the competitors in a “state of play” summary, which is crucial for listeners or viewers who have just tuned in. Which of the following statements is true of color commentary?A.It narrates the action of the event in real time, using the present tense.
B.It is a monologue given to an audience that does not respond to the speaker.
C.It is steady and fluent because it must keep up with the action of the event.
D.It gives background on the event, and interprets and evaluates the event.
Why does the author quote a linguist in paragraph 2?A.To describe the uniqueness of radio play-by-play
B.To show how technical sports commentary is
C.To give examples of play-by-play commentary
D.To criticize past trends in sports commentary
It can be inferred from the passage that the author most likely agrees with which of the following statements about sports commentary?A.Color commentary is more important than play-by-play commentary
B.Sports commentators do not need special knowledge of the sport.
C.Commentary enhances the excitement and enjoyment of sports.
D.Sports commentators should work hard to improve their grammar.
A、sherry
B、Port
C、vodka
D、Champagne
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