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A Some environmentalists are against the project on biological grounds.D They're what will keep the bridge from going anywhere.F They will tip up the scales at 166, 500 tons more than half the bridge's total mass.It is not just their length totally 5.3 kilometers but their weight.

F。 分析：思路特点：注意空格后句中的词语使用特点：空格前出现了their length， their weight，因此判断their可能指"桥"，剩下的选项中：F中提到了有关重量的数据166， 500 tons，因此F是答案。

A some environmentalists are against the project on biological grounds.d they're what will keep the bridge from going anywhere.f they will tip up the scales at 166, 500 tons – more than half the bridge's total mass.it is not just their length –totally 5.3 kilometers – but their weight.

f。 分析：思路特点：注重空格后句中的词语使用特点：空格前出现了their length， their weight，因此判定their可能指"桥"，剩下的选项中：f中提到了有关重量的数据166， 500 tons，因此f是答案。

A Some environmentalists are against the project on biological grounds.B What do the world's longest bridges have in common?D They're what will keep the bridge from going anywhere.E The second job will be to pull two sets of steel cables across the strait, each set being a bundle of 44,352 individuals steel wires.F They will tip up the scales at 166, 500 tons more than half the bridge's total mass.__2__. They're suspension bridges, massive structures built to span vast water channels or gorges. A suspension bridge needs just two towers to should the structure's mammoth weight,..

B。 分析：思路特点：注意空格后句中的词语使用特点：空格后面连续两句都涉及到了"suspension bridge/吊桥"因此判断空格处出现对"吊桥"进行讲述的句子的可能性最大，但被选项中没有该词出现，注意到空格后的句子中出现了代词They，该词的出现表明前面有复数的名词与之相呼应，而且They内容是指"桥"，因此排除A，C和E， F（没有与They呼应的内容），所以答案是B。

A Some environmentalists are againstthe projecton biological grounds（on..grounds/on the grounds of..根据）.D They're what will keep the bridge fromgoing anywhere.F They will tip up the scales at 166, 500 tons – more than half the bridge's totalmass.Getting these cables up will be something. It is not just their length –totally 5.3 kilometers – but their weight.

F。 分析：思路特点：注意空格后句中的词语使用特点：空格前出现了their length， their weight，根据前句内容判断their指"these cables"，空格前句内容的重点在重量上， F具体提到了有关重量的数据166， 500 tons，因此F是答案。

A Some environmentalists are against the project on biological grounds.B What do the world's longest bridges have in common ?D They 're what will keep the bridge from going anywhere.E The second job will be to pull two sets of steel cables across the strait , each set being a bundle of 44,352 inPiduals steel wires.F They will tip up the scales at 166, 500 tons – more than half the bridge 's total mass.__2__. They're suspension bridges , massive structures built to span vast water channels or gorges. A suspension bridge needs just two towers to should the structure's mammoth weight,..

B。 分析：思路特点：注意空格后句中的词语使用特点：空格后面连续两句都涉及到了"suspension bridge/吊桥"因此判断空格处出现对"吊桥"进行讲述的句子的可能性最大，但被选项中没有该词出现，注意到空格后的句子中出现了代词They，该词的出现表明前面有复数的名词与之相呼应，而且They内容是指"桥"，因此排除A，C和E， F（没有与They呼应的内容），所以答案是B。

A some environmentalists are against the project on biological grounds.b what do the world's longest bridges have in common?d they're what will keep the bridge from going anywhere.e the second job will be to pull two sets of steel cables across the strait, each set being a bundle of 44,352 individuals steel wires.f they will tip up the scales at 166, 500 tons – more than half the bridge's total mass.__2__. they're suspension bridges, massive structures built to span vast water channels or gorges. a suspension bridge needs just two towers to should the structure's mammoth weight,..

b。 分析：思路特点：注重空格后句中的词语使用特点：空格后面连续两句都涉及到了"suspension bridge/吊桥"因此判定空格处出现对"吊桥"进行讲述的句子的可能性最大，但被选项中没有该词出现，注重到空格后的句子中出现了代词they，该词的出现表明前面有复数的名词与之相呼应，而且they内容是指"桥"，因此排除a，c和e， f（没有与they呼应的内容），所以答案是b。

This will clean up /tmp at every shutdown and keep your disk tidy.

剩下的我还会适当翻译一点。有两条不太熟悉的我就不翻了。

This is a reality the Chinese leaders have to keep firmly in mind at all times.

这是中国领导人任何时候都必须牢牢记住的。

In, hand in hand, think up, express one's satisfaction with, try out, blame for, have the advantage of, get rid of, break down, throw away, keep off, carry on, once in a while, as long as, at war, fall into ruins, to one's delight, take charge, but for, fix the date, in search of, on the point of doing,be proud of

交际 肯定与不肯定；决断、坚持、建议、命令、禁止、警告；就餐；同意与不同意；判断和意见；道歉、遗憾和应答；看病；预见、猜测和相信；学习话剧中的日常用语；提供帮助及应答；表示愿望、祝福、打算、意愿；表示歉意和遗憾及应答；邀请、征询意见及应答；请求许可及应答；电话用语；提出建议；决心、决定、坚持；可能与不可能；禁止与警告；推测与相信；约会、约定

Abstractt:the arrival of the era of knowledge-driven economy, the development of the network provide a very good academic environment for learner, new study way is more favorable to one's own knowledge to build constructing which is different from traditional way at all, keep up with the step of era development.

知识经济时代的到来，网络的发展为学习者提供了一个很好的学习环境，学习者用完全不同于传统的新型学习方式更有利于自身知识的建构，跟上时代发展的脚步。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。