28.The sun _________ by the time I got home from the party.
A) has risen B) rose C) rises D) had risen
29.It is true that a person who has many friends _______ a happy life.
A) enjoy B) enjoys C) have enjoyed D) to enjoy
30.This system is extremely _______ because it runs on half-price electricity.
A) available B) responsible C) economical D) expensive
Standing at the top of the mountain, ________________.
A) you can see the whole city B) the whole city can be seen
C) the whole city can see. D) it can be easy to see the city
35.It is not a good idea to go shopping on Sunday, ________ the shops are very crowded.
A) although B) so C) but D) for
36.After the flood in the 1998, many students want to take part _____ the activities to help the victims.
A) in B) to C) with D) for
37.Tom is such a nice guy. He will not ________ a moment to offer help when you are in trouble.
A) take B) give C) make D) hesitate
You needn’t worry about him. This kind of medicine will help to ______ his wound soon.
A) heal B) concern C) browse D) suck
41. The Internet allows us to _______ the world without leaving home.
A) stress B) explore C) ignore D) adjust
42. _______ nobody is against it, we will adopt the proposal.
A) Now that B) Even if C) Although D) As if
43. My CD player is beeping, for the battery is running ______.
A) small B) high C) large D) low
44. He had made many ________ into the quality of the computer before buying one.
A) informations B) knowledges C) progresses D) inquiries
48. He is _______ a child. He should be allowed to make his own decisions.
A) no longer B) still C) yet D) already
49. People teach the computer to think and ________, develop and sharpen their own reasoning abilities.
A) as result B) as a result C) however D) so far
50. Good teachers use a _______ of methods to motivate their students.
A) piece B) many C) range D) amount