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It’s nearly eleven o’clock and mother ________ walk in at any moment.
A.is possible to B.is probable to C.is likely to D. is able to
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阅读下面短文,掌握其大意，然后从1—25各题所给的四个选项中,选出一个最佳答案。
One of the New York's most beautiful and 1 is 2 .The New York Public Library, in the heart of the city may have to 3 down.
The library is a very nice place. 4 it is in the busiest part of the city. There are grassland and trees around it, with chairs for people 5 .The rooms are very large. The ceiling(天花板)of the Main Reading Room is6 high. Here, readers can think and 7 in comfort (舒适地).
The library has a collection of more than 8 books and paintings, 9 one of the first copies of Shakespeare plays, a Bible (圣经)painted in the 10 century,and a letter 11 Columbus 12 he 13 his discovery (发现)of the new world.
Every New Yorker can use the library.But 14 of running the library 15 rapidly in recent years,and the library does not have 16 money to run it properly. In the past, it was 17 every evening and also 18 Saturdays and Sundays but now it is 19 .
The library is trying 20 to raise more money 21 its increasing costs.Well-known New York writers,artists,the universities, and the governments of New York City and New York State are all trying 22 .But the problem still 23 serious.Yet a way must be found 24 the library just 25 one writer said,"The public library is the most important building in New York City--it contains all our knowledge."
1. A. valuable buildings B. valuable building
C. worth building D. worthy buildings
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2. A. dangerous B. in danger C. of danger D. not safety
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3. A. fall B. put C. break D. close
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4. A. As though B. As if C. Though D. If
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5. A. to sit B. to seat C. to be seated D. to sit in
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6.A. fifty-one feet B. 51 foot
C. fifty one feet D. fifty-one foot
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7. A. work B. working C. worked D. be working
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8.A. thirty million B. thirty millions
C. thirty of million D. thirties millions
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9. A. including B. include C. to include D. included
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10. A. 15th B. 15 C. 15st D. 15nd
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11. A. written for B. wrote C. writing D. written by
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12. A. in which B. about which
C. for which D. with which
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13. A. said of B. spoke C. told of D. talked
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14. A. the cost B. the costing
C. the spending D. the spend
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15. A. has risen B. has raised
C. raised D. has been raised
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16. A. a lot B. lots of
C. enough D. a large number of
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17. A. on B. open door C. opened D. open
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18. A. in B. during C. at D. on
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19. A. closing B. locked C. opened D. prevented
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20. A. every possible way B. in all possible way
C. on every possible way D. on all possible way
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21. A. to meet B. to find C. to pay D. to give
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22. A. to do B. to help C. to give D. to spend
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23. A. remains B. keeps on C. continues D. still to be
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24. A. saved B. to save C. saving D. so that to save
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25. A. which B. that C. like D. as
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查看习题详情和答案>>I'm afraid I won't be ______ to help you this time, but it seems ______ for you to get help from your teacher.
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A．possible...likely B．able...possible
C．likely...able D．able...able
查看习题详情和答案>>Annealing
Annealing is a way of making metal softer by heating it and then letting it cool very slowly, if metal is heated and then cooled very quickly, for example by dipping(浸) it in water, it will be very hard but also very brittle(脆)—that is, it will break easily. Metal that has been annealed is soft but does not breaks as easily. It is possible to make metal as hard or as soft as is wished, by annealing it. The metal is heated, and allowed to cool slowly for a certain length of time. The longer the heated metal takes to cool slowly, the softer it becomes. Annealing can also be used on other material, such as glass.
1. Annealing can make metal ____
A. hard and tough(韧) B. hard but brittle C. soft but tough D. soft and brittle
2. Why do people put hot metal in water?
A. To make it hard. B. To make it soft. C. To make it cool. D. To make it brittle
3. In annealing, the required hardness of a metal depends on ______
A. the quantity of water used B. the temperature of the metal
C. the softness of the metal D. the timing of the operation
4. As suggested by the text, how can glass be made less brittle?
A. It can be heated and then cooled quickly.
B. It can be cooled and then heated slowly.
C. It can be heated and then cooled slowly.
D. It can be cooled and then heated quickly.
查看习题详情和答案>>完形填空
Henry's job was to examine cars which crossed the frontier(边境)to make sure that they were not smuggling (走私)anything into the country. Every evening 1 at weekends, he 2 see a factory worker coming up the hill towards the frontier, pushing a bicycle with a big load of straw(稻草)on it. When the bicycle 3 the frontier. Henry used to stop the man and 4 him take the straw off and 5 it. Then he would examine the straw carefully to see 6 he could find anything, after which he would look in all the man's pockets before he let him tie straw again. The man would then put it on his bicycle and go off 7 the hill with it. Although Henry was always 8 to find gold or jewellery or other valuable things 9 in the straw, he never found anything even though he examined it very 10 . He was sure that the man was 11 something, but he was not 12 to imagine what it could be.
Then one evening, after he had looked through the straw and emptied the factory worker's pockets 13 usual, he 14 to him, “Listen, I know that you're smuggling things 15 this frontier. Won't you tell me what it is that you are bringing 16 so successfully? I'm an old man, and today is my last day on the 17 . Tomorrow I'm going to 18 . I promise that I shall not tell 19 if you tell me what you've been smuggling. ”The factory worker didn't say anything for 20 . Then he smiled, turned to Henry and said quickly, “Bicycles! ”
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