These measures achieved what had seemed impossible: blue skies during the two weeks of the Games.

这个措施实现了那些以前似乎是不可能的事情：在奥运会两周期间的碧蓝的天空。

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The assured way towards fluency is to increase the amount of contact you have with English. During these two or three weeks, surround yourself with English sounds, materials and people.

若达到熟练流利的程度，你就要找办法用最大途径扩大英语接触面，把自己置身在两、三个星期的全英语的声音环境，资料环境和人际环境。

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An important goal during these early weeks will be to test two innovative propulsion systems.

BBC: Strand-1 'phone-sat' ready for orbit

We found that, on average, these stocks fluctuated more than their Fiscal Cliff Cost during 39% of the trading days and two-thirds of the weeks during the year.

FORBES: Will The Fiscal Cliff Turn Dividend Stocks Toxic?