考研英语真题中 before 引导的从句

That is before we look for the space to grow the grains, sugars, seeds and oils that provide us with the vast bulk of our current calorie intake.

那是在我们寻找种植谷物、糖、种子和油类的空间之前，这些为我们提供了目前大部分的卡路里摄入量。

Big retailers must understand these differences before they can identify the segments of European wholesaling in which their particular abilities might unseat smaller but entrenched competitors.

大型零售商必须先了解这些差异，然后才能识别欧洲批发业中他们特定能力可能取代规模较小但根深蒂固的竞争对手的细分市场。

A butterfly takes off so quickly it is still impossible to react quickly enough to capture that take-off but if he half-presses the shutter, the camera saves the 70 previous frames before the moment he actually takes the picture.

一只蝴蝶起飞如此迅速，以至于仍然不可能快速反应足以捕捉那次起飞，但是如果他半按快门，相机就会在他实际拍摄照片的时刻之前保存之前的70帧画面。

It was a year before she became head of a tiny Internet-based commodities exchange.

在她成为一个小型互联网大宗商品交易所的负责人之前，已经过去了一年。

He had never gambled before the casino sent him a coupon for $20 worth of gambling.

在赌场寄给他一张价值20美元的赌博优惠券之前，他从未赌博过。

Even before Alan Greenspan's admission that America's red-hot economy is cooling, lots of working folks had already seen signs of the slowdown themselves.

甚至在艾伦·格林斯潘承认美国炽热的经济正在降温之前，许多工薪阶层就已经自己看到了经济放缓的迹象。

Despite the exciting initial finds, the site would lie undisturbed for decades before archaeologists would return.

尽管有令人兴奋的初步发现，该遗址在考古学家返回之前的几十年里都未被打扰。

No one knows for sure when poetry began but it has been around for thousands of years, even before people could write.

没有人确切知道诗歌是什么时候开始的，但它已经存在了数千年，甚至在人们能够书写之前。

However, critics say the big companies use such deals to buy their most threatening potential competitors before their businesses have a chance to gain momentum, in some cases as part of a "buy and kill" tactic to simply close them down.

然而，批评人士表示，大公司利用此类交易，在他们的业务有机会获得发展势头之前，就收购他们最具威胁的潜在竞争对手，在某些情况下，作为“收购并扼杀”策略的一部分，仅仅是为了关闭它们。

After all, it was rumoured that smoking caused cancer for years before the evidence was found to prove a connection.

毕竟，多年来一直有传言说吸烟会导致癌症，直到证据被发现以证明其关联性。

The history of the EEOB began long before its foundations were laid.

EEOB的历史早在其地基被奠定之前就开始了。

Before explaining the connection to the Obamacare, it is worth making an important distinction.

在解释与奥巴马医改的联系之前，值得做一个重要的区分。

Carter sifted through rubble in the Valley of the Kings for seven years before he located the tomb in 1922.

卡特在帝王谷的瓦砾中筛选了七年，之后他于1922年找到了陵墓。

Third, the use of paper checks gives consumers several days of "float" – it takes several days before a check is cashed and funds are withdrawn from the issuer's account, which means that the writer of the check can earn interest on the funds in the meantime.

第三，纸质支票的使用给消费者提供了几天的“浮动期”——支票兑现和资金从开票人账户中提取需要几天时间，这意味着支票的开具者在此期间可以从资金中赚取利息。

Not surprisingly, up to half of all doctoral students in English drop out before getting their degrees.

不足为奇的是，多达一半的英语博士生在获得学位前辍学。

Alvarez's experience demonstrates the importance of finding ways to diffuse stress before it threatens your health and your ability to function.

阿尔瓦雷斯的经历展示了在压力威胁到你的健康和你的行动能力之前找到缓解压力方法的重要性。

"Celebrate!" commanded the ads for the arthritis drug Celebrex, before we found out it could increase the risk of heart attacks.

“庆祝！”治疗关节炎药物西乐葆的广告如此宣传道，在我们发现它可能增加心脏病发作风险之前。

The Greeks assumed that the structure of language had some connection with the process of thought, which took root in Europe long before people realized how diverse languages could be.

希腊人认为语言的结构与思维过程有某种联系，这种观点在人们意识到语言可以有多么多样化之前很久就在欧洲扎根了。

But this was not always the case; before it was legally required for all children to attend school until a certain age, it was widely accepted that some were just not equipped by nature to pursue this kind of education.

但情况并非一直如此；在法律要求所有儿童上学至一定年龄之前，人们普遍认为有些人天生就不具备接受这种教育的能力。

But when Swetnam enrolled in graduate school at the University of Arizona's Laboratory of Tree-Ring Research, he was surprised to find a record of repeated blazes dating back hundreds of years before European colonists arrived on the continent.

但是当斯韦特南在亚利桑那大学树木年轮研究实验室攻读研究生时，他惊讶地发现早在欧洲殖民者到达该大陆之前几百年就有反复火灾的记录。

Now, researchers have used genomes of over 200 donkeys to trace their domestication back to a single event around 7,000 years ago in East Africa — about 3,000 years before humans tamed horses.

现在，研究人员利用200多头驴的基因组，将其驯化追溯到大约7000年前东非的一次单一事件——大约在人类驯服马的3000年前。

"Speaking with your children before you make a real estate decision is wise, but I wouldn't base the purchasing decision solely on their opinions." Hampson said.

“在你做房地产决定之前和你的孩子交谈是明智的，但我不会把购买决定完全基于他们的意见。”汉普森说。

Even dairy farms, where robots do a small share of milking, have a long way to go before they're automated.

即使是机器人只承担一小部分挤奶工作的奶牛场，在实现自动化之前还有很长的路要走。

Theodore and Franklin D. Roosevelt, William Howard Taft, Dwight D. Eisenhower, Lyndon B. Johnson, Gerald Ford, and George H. W. Bush all had offices in this building before becoming president.

西奥多·罗斯福、富兰克林·D·罗斯福、威廉·霍华德·塔夫脱、德怀特·D·艾森豪威尔、林登·B·约翰逊、杰拉尔德·福特以及乔治·H·W·布什在成为总统之前都曾在这栋大楼里有办公室。