1. A: Has Tom finished his exams yet?
B: No. He finishes next Thursday.
2. A: _____________ has Janet been working at the hospital?
B: She has been working there ________________ she left school.
3. A: How are you finding your new job?
B: Great! I havent had any problems _______________.
4. A: Is John at home, please?
B: No, Im afraid hes ______________ gone out.
5. A: Have you been waiting long?
B: Yes, Ive been here ___________ two hours.
6. A: Has Martin _____________ been to Spain?
B: No, I dont think so.
7. A: Have you spoken to Mathew _________?
B: Yes. I phoned him last night.
8. A: Can you do the washing-up for me, please?
B: Dont worry. Mike has __________ done it.
9. A: Lucy has __________ been musical, hasnt she?
B: Yes, she started playing the piano when she was five years old.
10. A: Shall we go to that new restaurant tonight?
B: Yes. I have _____________ been there. Its really nice.
11. A: Your dogs been barking ____________ three hours!
B: Im sorry. Ill take him inside.
12. A: Have you finished reading that book yet?
B: No, Ive __________ started it.
Exercise 11. Put the verb into the more suitable form, the Present Perfect or the Present Perfect Continuous.
1. Where have you been? Have you been playing (you/play) tennis?
2. Look! _______________________________ (somebody/break) that window.
3. You look tired. _________________________ (you/work) hard?
4. _____________________________ (you/ever/work) in a factory? No, never.
5. Liz is away on holiday. Is she? Where _____________________ (she/go)?
6. My brother is an actor. _____________________________ (he/appear) in several films.
7. Sorry Im late. Thats all right. _________________________ (I/not/wait) long.
8. Is it still raining? No, _______________________ (it/stop).
9. ________________ (I/lose) my address book. _________________________ (you/see) it?
10. _________________ (I/read) the book you lent me, but __________________ (I/not/finish) it yet. Its very interesting.
Exercise 12. Translate the sentences into English, paying attention to the Present Perfect and the Present Perfect Continuous forms.
1. " ?" ", !"
2. " ?" " . . . ? "
3. " - Asti ?" "ͳ, ."
4. "˳ ?" "ͳ, ."
5. " ?" "ͳ, 5 ."
6. ! . , !
7. . 50 . ! , !
|
|
|
8. ", ! !" " '. . : " , ?"
9. " ?" ", , - . ?"
Exercise 13. Underline the correct tense.
1. Liz and I are good friends. We know/ have known each other for four years.
2. Sarah is very tired. She has been working/is working hard all day.
3. Where is John? Hes upstairs. He does/is doing his homework.
4. I cant go to the party on Saturday. I am leaving/have been leaving for Spain on Friday night.
5. Jane has finished/is finishing cleaning her room, and now she is going out with her friends.
6. I didnt recognize Tom. He looks/is looking so different in a suit.
7. I dont need to wash my car. Jim washes/has washed it for me already.
8. Ian has been talking/is talking to his boss for an hour now.
9. Claires train arrives/has arrived at 3 oclock. I must go and meet her at the station.
10. Would you like to borrow this book? No, thanks. I have read/have been reading it before.
Exercise 14. Correct the mistakes.
1. They have been to the shops. Theyll be home soon.
2. Joe plays in the garden at the moment.
3. I am going to work by car every day.
4. The builders finish the block of flats already.
5. He has been breaking his arm.
6. Sam have just finished reading a very interesting book.
7. Water is boiling at 100 degrees Celsius.
8. John is living here since 1986.
9. I study this subject for five years.
10. Who has use my scissors?
WRITING
Write the composition (150-200 words): How do you use computer in your studies and in your free time?
UNIT 2
COMPUTER ARCHITECTURE
Vocabulary Bank Unit 2
Task 1. Read, write the translation and learn the basic vocabulary terms:
1. adjacent
2. appointment
3. binary system
4. bottleneck
5. cache (n)
6. cache hit
7. capacity
8. coat (v)
9. coherency
10. computer motherboard
11. crash (v)
12. decimal system
13. electricity supply
14. external
15. format (v)
16. handheld (adj)
17. headphones
18. CNIC
19. loudspeaker
20. mainframe (n)
21. multimedia feature
22. multi-tasking
23. nuclear research
24. pen-based (adj)
25. storage medium
26. portable (adj)
27. power failure
28. power cord
29. price (v)
30. processor (n)
31. rotate (v)
32. to attach
33. slow up (v)
34. system bus
35. speed up (v)
36. suitable
37. personal digital assistant
38. swipe cards
39. to measure
40. track (n)
41. versatile (adj)
42. versatility (n)
43. viewable
44. write-back cache
45. write-through cache
Task 2. Read and memorize the following word combinations.
1. an uninterruptable power supply (UPS)
2. random access memory (RAM)
3. read only memory (ROM)
4. central processing unit (CPU)
5. a storage device
6. an address bus
7. a data bus
8. a system unit
9. a hard disk
10. a redundant array of inexpensive disks (RAID)
