An Experiment

Materials: Newspaper, ‘ACE’ hardware ruler (1/8 “think”), a flat table.

Purposes: We’ll show that there is air pressure pushing on us, from every direction while we’re on this Earth.

第二节:完形填空(共20小题;每小题1.5分,满30分)

阅读下面短文,从短文后所给各题的四个选项(A、B、C、D)中选出可以填入空白处的最佳选项

As she walked round the large shop, Edith realized how difficult it was to choose a suitable Christmas __31__for her father.

She __32__that he were as easy to please as her mother, who was __33__satisfied with perfume(香水). __34__, shopping at this time of the year was a most __35__job. People __36__on your feet, pushed you with their shoulders and almost __37__ you over in their hurry in order to __38__ something cheap ahead of you.

Partly to have a rest, Edith paused in front of a counter, where some beautiful ties were on __39__. "They are __40__silk," the shop assistant told her with a smile trying to __41__her to buy one. But Edith knew from past __42__that her choice of ties hardly ever pleased her father.

She moved on slowly and then, quite by chance, __43__where a small crowd of men had gathered round a counter. She found some fine pipes(烟斗) on sale and the __44__were very beautiful. Edith did not hesitate for long, although her father __45__ smoked a pipe once in a while, she believed this was __46__ to please him.

When she got home, with her small but __47__present hidden in her handbag, it was time for supper and her parents were already __48__table. Her mother was in great __49__. "Your father has at last decided to stop smoking," she told her daughter happily. Edith was so __50__that she could not say a single word.

31. A. suit         B. card        C. thing       D. gift

32. A. believed     B. wished      C. hoped      D. supposed

33. A. never       B. seldom      C. always     D. scarcely

34. A. Therefore    B. Fortunately  C. Besides     D. Finally

35. A. unhappy     B. careful      C. exciting    D. tiring

36. A. walked      B. stepped      C. lifted      D. stood

37. A. turned       B. hit         C. brought     D. knocked

38. A. watch       B. find        C. grasp       D. sell

39. A. time        B. show       C. board       D. duty

40. A. real         B. cheap      C. poor        D. exact

41. A. hope        B. ask        C. force       D. persuade

42. A. experience   B. things      C. books       D. school

43. A. stopped     B. saw        C. asked       D. found

44. A. money      B. cigarette     C. shapes     D. shop

45. A. always      B. nearly      C. only       D. never

46. A. hardly      B. impossibly   C. possibly    D. certainly

47. A. cheap      B. well-chosen  C. expensive   D. ready-made

48. A. on         B. by         C. beside      D. at

49. A. excitement  B. anger       C. sadness     D. disappointment

50. A. glad        B. happy      C. surprised    D. excited

(十六)

Ways to Burn More Calories

Run through water

Running in water is one of the toughest activities you can perform because the wet stuff is about 12 to 15 times as resistant (具有阻力的) as air. Try your hardest to run and you can burn about 17 calories per minute.

Start fast

Don’t be fooled — slow and steady won’t win the race. A recent study found that after a short warm-up, cyclists who rode hard during the first half of their workouts and then slowed for the second half burned about 10 percent more calories than those who started slow and finished fast.

Take to the sand

Here is some easy-to-remember advice on burning calories: the softer the surface, the more you burn. By walking or running on the beach, you can use up 20 to 50 percent more calories than you do going at the same pace on a hard trail.

Shut up and dance

Here’s the perfect excuse to sign up for that hip-hop dance class you’ve been eager to try. Surprising your body with new activities — dance, a new sport, you name it — forces it to work harder because it’s doing unfamiliar movements and using muscle groups in different ways.

Use your arms

Getting both your upper and lower body involved can provide a big calorie-burning advantage. So if you’re short of time or want to get everything you can out of your usual 45-minute workout, try total-body activities such as rowing ormming. You can evenng your arms as hard as you can while you walk.

1. How can water help you burn more calories?

A. By pushing your body.

B. By wetting your clothes and shoes.

C. By forcing you to run faster.

D. By forcing your body to work harder.

2. What does “it” in Part 4 refer to?

A. Dance.

B. Movement.

C. Body.

D. Muscle.

3. Which of the following statements is TRUE?

A. One can burn more calories when walking on the sand than on land.

B. One can burn more calories when walking on stones than on earth.

C. One can burn more calories when running in water than on the sand.

D. One can burn more calories when exercising using the upper body than using the lower body.

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