21. Our nerghbors gave _____ a baby bird yesterday that hurt ______ when it fell from its nest.
(A)us,it
(B)us,itself
(C)ourselves, itself
(D)ourselves, it

69. D Andrew Ritchie, inventor of the Brompton folding bicycle, once said that perfect portable bike would be “like a magic carpet... You could fold it up and put it into your pocket or handbag". Then he paused: “But you'll always be limited by the size of the wheels. And so far no one has invented a folding wheel." It was a rare --- indeed unique --- occasion when I was able to put Ritchie right. A 19th-century inventor, William Henry James Grout, did in fact design a folding wheel. His bike, predictably named the Grout Portable, had a frame that split into two and a larger wheel that could be separated into four pieces. All the bits fitted into Grout's Wonderful Bag, a leather case. Grout's aim: to solve the problems of carrying a bike on a train. Now doesn't that sound familiar? Grout intended to find a way of making a bike small enough for train travel: his bike was a huge beast. And importantly, the design of early bicycles gave him an advantage: in Grout's day, tyres were solid, which made the business of splitting a wheel into four separate parts relatively simple. You couldn't do the same with a wheel fitted with a one-piece inflated(充气的)tyre. So, in a 21st-century context, is the idea of the folding wheel dead? It is not. ABritish design engineer, Duncan Fitzsimons , has developed a wheel that can be squashed into something like a slender ellipse(椭圆) . Throughout, the tyre remains inflated. Will the young Fitzsimons's folding wheel make it into production? I haven’t the foggiest idea. But his inventiveness shows two things. First, people have been saying for more than a century that bike design has reached its limit, except for gradual advances. It’s as silly a concept now as it was 100 years ago: there's plenty still to go for. Second, it is in the field of folding bikes that we are seeing the most interesting inventions. You can buy a folding bike for less than £1,000 that can be knocked down so small that can be carried on a plane —— minus wheels, of course —— as hand baggage. Folding wheels would make all manner of things possible. Have we yet got the magic carpet of Andrew Ritchie's imagination? No. But it's progress. We can infer form Paragraph 1 that the Brompton folding bike____. (A). was portable (B). had a folding wheel. (C). could be put in a pocket. (D). looked like a magic carpet

70. We can learn from the text that the wheels of the Group Portable_______. (A). were difficult to separate. (B). could be split into 6 pieces. (C). were fitted with solid tyres. (D). were hard to carry on a train.

71. We can learn from the text that Fitzsimons`s invention_______. (A). kept the tyres as whole piece. (B). was made into production soon. (C). left little room for improvement. (D). changed our views on bag design.

72.Which of following would be best title for the text? (A). Three folding bike inventors. (B). The making of a folding bike (C). Progress in folding bike design (D). Ways of separating a bike wheel

22. Have you heard ______ news？The piece of _______ petrol is going up again! (A)the, the (B)不填，the (C)the, 不填 (D)不填，不填

23. I thought we’d be late for the concert, ______ we ended up getting there ahead of time. (A)but (B)or (C)so (D) for

24. _______ the website of the Fire Department in your city, and you will learn a lot about Firefighting. (A)Having searched(B)To search (C)Searching (D)Search

25. Last nighy Mr. Crook didn’t come back at the usual time. ______, he met some friends and Stayed out until midnight. (A)Meanwhile (B)However (C)Instead (D)Yet

26. The trees _____ in the storm have been moved off the road. (A)being blown down (B)blown down(C)blowing down (D) to blow down

27. — When did you last hear ______ Jay? — He phoned me this morning, and we agreed ______ a time and place to meet. (A) of, to (B)about, with(C)from, with (D)from, on