49. The term “multitasking” originally referred to a computer’s ability to carry out several tasks a
50. According to Paragraph 2, why may a person suddenly forget who has called?(A) He may leave his p
51. People tend to make mistake when ____.(A) they perform several challenging tasks at a time.(B) n
54. Why was the writer told not to go to the park by his mother?(A) It was being rebuilt. (B) It was
55. According to the writer, what eventually brought about the disappearance of the park?(A) The dro
57.I needed to buy a digital camera, one that was simply good at taking good snaps (快照), maybe occas
58. what does the writer man by “it would be worth half what I paid for it ”(paragraph 2)(A) He shou
59. The writer decided to try the model he had chosen because(A) knew very little about it.(B) didn’
60. I t can be inferred from the passage that in the writer’s opinion,(A). people waste too much mon
2. Experts think that ______recently discovered painting may be ______ Picsso.(A) the ;不填 (B) a ;the
3. Bats are surprisingly long lived creatures some ______a life span of around 20 years.(A) having (
4. One Friday, we were packing to leave for a weekend away ______my daughter heard cries for help.(A
6. The school isn’t the one I really wanted to go to, but I suppose I’ll just have to ______it,(A) m
7. Since people are fond of humor, it is as well in conversation as _______ else.(A) anything (B) so
8. English is a language shared by several diverse cultures, each of ______ uses it somewhat differe
9. The professor could tell by the _____ look in Maria’s eyes that she didn’t understand a single wo
10. A bank is the place ______ they lend you an umbrella in fair weather and ask for it back when it
11. --- How’s your new babysitter?--- We ______ ask for a better one. All our kids love her so much.
12. He decided that he would drive all the way home instead of ______ at a hotel for the night.(A) p