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we are
having a great time on this holiday. today
we've
visit the pyramids. my teacher told
me about them in our
and she
showed us some pictures of them, but in the pictures they
looked much
they are. we went inside
one and
lots of photos with my camera.
we are going to go and see some camels tomorrow. i am very
i have always wanted to ride one. mum
doesn't want to go near them. she says camels are usually not
very friendly.
2. d. leave
3. c. is working
4. a. need
5. d. too late
6. c. knew
7. b. the most annoying
8. b. were sold
9. b. must
10. a. will clean
11. d. for
12. d. Where
13. c. comes
14. b. has lived
15. d. did she use to live
16. b. until
17. b. boring
18. d. waiting
19. a. to study
20. d. were watching
21. d. anything
22. a. have just finished
23. d. which
24. b. would have
25. d. knew
26. d. has been cleaning
27. a. had already started
28. b. as
29. b. will meet
30. a. is/will be
31. d. is being repaired
32. a. whose
33. b. can’t be
34. a. to leave
35. d. I had put
36. d. hadn’t lost
37. b. had
38. c. would have been
39. d. much
40. b. themselves
1. a
2. b
3. c ?
4. a
5. c
6. a
1. Mouse is a device to move the cursor or pointer on a display screen.
2. Because the connecting wire looks like a mouse tail.
3. Mice usually have two buttons and sometimes as many as three, which have different functions depending on what program is running.
4. The mouse was invented by Douglas Engelbart.
5. In 1963.
6. Stanford Research Center.
7. Mice can be:
1. Mechanical with a rubber or metal ball that can roll in all directions. Mechanical sensors in the mouse detect the direction the ball is rolling and move the screen pointer.
2. Optomechanical with optical sensors to detect motion of the ball.
3. Optical with a laser to detect the mouse’s movement. Optical mice have no mechanical moving parts but they are more expensive.
4. Cordless infrared mice send infrared or radio waves to communicate with the computer.
3
1. There are men on bicycles.
2. These stories are very interesting.
3. These children are my sons.
4.
1. Usually the classes begin at 9 o’clock.
2. John is playing a game of tennis. He has been playing for 2 hours.
3. Now Lena is waiting for Dennis at the museum.