定语从句练习桐乡市互联网学校
1. The al esntially shuts off the flow of blood to other organs, which either stop functioning until the al surfaces or switch to an anaerobic (oxygen-independent) metabolism.
海豹主要阻止血液流向其他器官，这些器官要么暂时停止工作直到海豹浮出水面，要么调节到乏氧代谢（在缺氧情况下生活）状态。 韩国vs巴西
2. They are striving for the ideal which is clo to the heart of every Chine and for which, in the past, many Chine have laid down their lives.
他们正在为实现一个理想而努力，这个理想是每个中国人所珍爱的，在过去，许多中国人为了这个理想而牺牲了自己的生命。
3. Between the two particles, the proton and the electron, there is a powerful attraction that 博尔宁is always prent between negative and positive electric charges.金针菇拌黄瓜
甄宓怎么读4. Washouts constitute another type of interruption encountered in coal-ams. They are caud by the action of ancient rivers which denuded or carved their valley through the coal-am and overlying rocks subquent to deposition.
八下数学课本
水侵蚀是在煤层中迂到的另外一种类型的中断。它是由古代河流的作用造成，后者流经煤层及其上复岩层（成煤后沉积的），冲刷出一些河谷。
5. With different impurities added, miconductors are made into two types--- the N-types, which is ready to give up electrons, thus having a negative character, and the P-type, which is liable to accept electrons, therefore being of a positive character.
6. They worked out a new method by which production has now been rapidly incread.
他们制定出一种新方法，采用之后生产已迅速得到提高。
7. An analysis proceeds from conjecture of the caus or relationships of certain obrvations, and, when the hypothes have been tested, erects a theory that relates a large number of phenomena.
分析从对某些观察到的现象产生的原因或相互关系进行推理开始，当作出的假设得到试验验证后，则创立出理论，把大量现象相互联系起来。
8. After dinner, the four key negotiators resumed their talks, which continued well into the night.
9. In some places the ground may be so strong that roadways will stand almost indefinitely without artificial support, as will be en from Table 16, which shows that about 9% of underground roadways are underlined.
在有些地方，地层很坚固，虽然未用支护，但巷道几乎无限期地保持着。如表16所示，大约9%是未支护的裸体巷道。
10. Simulations and experimental activities were performed in geographical sites located in the center of Italy, where the complex orography requires efficient methods for site characterization and lection, with the aim of speeding up the start-up of wind turbine installations.
模拟试验和试验活动在意大利中部地区进行。这里的山区地形复杂，风场特征描述和选择需要高效的方法，目的是加速启动风机安装工程。
11. One of the greatest promoters of structural organic chemistry around the turn of the century was Emil Fisher, who, as early as 1893, had already the structure of cellulo as a polysaccharide in mind.
12. We gave the rats a carbohydrate-containing meal that表达感恩的诗句 we knew would elicit insulin cretion.
我们给老鼠吃碳水化合物的食物，因为我们知道这样会引起胰岛素分泌。
13. Some nuclear reactors are ud to produce the heat that runs machines for ships and for electric power plants.
佐丹奴官方网站有的核反应堆是用来生产热能的，以开动轮船和发电厂的机器。
14. Electric computers which have many advantages cannot do creative work and replace man.
15. There was something original, independent, and heroic about the plan that plead all of them.
16. They have built up a new college here, where students will be trained to be engineers and
17. Men become desperate for work, any work, which will help them to keep alive their family.
18. Studies of Weddell al in the laboratory have described the physiological mechanisms that allow the als to cope with the extreme oxygen deprivation that occurs during its longest dives which can extends 500 meters below the ocean’s surface and last for over 70 minutes.
实验室中对威德尔海豹的研究就海豹特殊的生理机制已经做过描述。这套生理机制使得海豹可以对付长时间浅水时出现的极度缺氧状况。海豹长时间潜水时最深可以达海平面五百米，时间最长可达七十多分钟。
19. In the ca of the green turtle, which does not start breeding until the age of 30, this has proven to be a difficult challenge.
对于绿海龟这种直到30岁才开始繁殖的动物来说，追踪成了一个艰难的挑战。
