由于功率放大电路中的晶体管处于大信号工作状态,所以微变等效电路方法已不再适用。
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1.Whataretheapplicantsgoingtohaveinalmosteverycaseofjobhunting?Theyaregoingtohave_______.2.HowlongdoesanInterviewusuallylast?Itusuallylastsfor_______minutes.3.Whatisthemostimportantthingtheinterviewerwantstoknowabouttheapplicants?Themostimportantthingiswhat_________theapplicantsare.4.Whichquestionwillbeaskediftheapplicantsonceworkedsomewhere?Thequestionwillbe"Whydidyou________?”5.Whatshouldtheapplicantsremembertodowhentakinganinterview?To dress formally, talk politely, respond quickly and________.
6. What is a library?A library is a place where_____.7.What can we get from libraries?We can get all kinds of________.8. What kinds of books are available?There are fiction, nonfiction and________.9. What do the students go to the library to do?Students go to the libraries to study and to write_______.10. If one is in a hurry, how can he get the information?He can______.
11. Why was the old man walking in the subway?Because he was looking for______.12. What did the old man see lying on the seat?He saw______ lying on the seat.13. What did the old man ask?The old man asked whether the seat_______.14. What did the old man say when the subway started?The old man said the owner of the bag must have_______.15. What did the old man want to do?He wanted to ______ out of the window.
16. What are people confused about?People are confused about what type of food is healthy, and what kind of food may_______.17. What is important for people?_______is important for people.18. What kind of food can prevent many different diseases?Doctors believe that________ can usually prevent many different diseases.19. What's the result of eating more meat and other high-fat foods?Meat and other high-fat foods are bad for our health, which may_______.20. To enjoy many years of a healthy life, what should we do?We should _____ now.