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二、英语知识运用（共两节，满分45分）
第一节 单项填空（共15小题；每小题1分，满分15分）
从A．B．C．D四个选项中，选出可以填入空白处的最佳选项。并在答题卡上将该项的标号涂黑。
It was not until they came to the very spot______how serious the situation was.
A．did they realize B．that they realized
C．when they realized D．where did they realize
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二、英语知识运用（共两节，满分45分）
第一节 单项填空（共15小题；每小题1分，满分15分）
从A．B．C．D四个选项中，选出可以填入空白处的最佳选项。并在答题卡上将该项的标号涂黑。
It was not until they came to the very spot______how serious the situation was.
A．did they realize B．that they realized
C．when they realized D．where did they realize
第二部分：英语知识运用（共两节，满分45分）
第一节：单项填空（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21．To this end, an all-round, balanced and effective reform of the international system is thus _______ must to prevent __________ future repeat．
A．the; the B．a; the C．a; a D．the; a
查看习题详情和答案>>第二部分：英语知识及运用（共两节，满分35分）
第一节：完形填空（共10小题；每小题2分, 满分20分）
阅读下面短文，从短文后所给各题的四个选项A、B、C和D中选出能填入相应空白处的最佳选项。
Rubber ducks are being used to help scientists understand global warming and melting glaciers. NASA researchers have 21 90 ducks into holes in Greenland's fastest moving glacier, the Jakobshavn Glacier between Greenland and Canada. The 22 have each been marked with the words "science experiment" along with an e-mail address. If they are found scientists will be able to 23 how the water moves through the ice and provide information about the 24 of glaciers. Scientists are still 25 about why glaciers speed up in summer and head towards the sea. One theory is that as the summer sun melts ice on top of the glacier's surface, the water moves to the bottom of the glacier, where it helps to 26 the movement of ice toward the coast. The Jakobshavn Glacier is believed to be the 27 of the iceberg that sank the Titanic in 1912. Robert Jones, the experiment organizer, said none of the ducks had been 28 yet. "We haven't heard back but it may take some time until somebody actually finds it and decides to send us a/an 29 that they have found it," he said. "These are places that are 30 so there aren't people walking around."
21. A. flown B. buried C. hidden D. dropped
22. A. results B. toys C. glaciers D. scientists
23. A. remember B. invent C. learn D. control
24. A. development B. movement C. growth D. travels
25. A. unsure B. excited C. concerned D. ignorant
26. A. reduce B. control C. speed D. stop
27. A. position B. source C. reason D. result
28. A. hurt B. eaten C. missing D. reported
29. A. email B. card C. fax D. sign
30. A. hidden B. lost C. remote D. quiet
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