你在准备哪些科目的高级证书考试？
You need three A levels to get onto this university course.
你要参加这个大学教程，就需要通过三科高级证书考试。
Since 1993, sea levels have risen at a speed of 3.2 cm every 10 years.
自1993年以来，海平面以每10年3.2厘米的速度上升。
Britains who pass their A levels may still not qualify for a top university at home, but find American universities far more welcoming.
那些通过A levels 考试的英国人可能仍然没有资格进入国内的顶尖大学，但是他们发现美国的大学更欢迎他们。
For the skin, a Levels and a color Balance to add subtle color enhancement.
在皮肤上，用色阶和色彩平衡微微提升些色调。
Conditional offers are made before a levels are taken, on the basis of predicted grades.
基于预测级别的基础上，有条件录取将早于A级别录取。
How do the different skill levels respond to a model like this?
不同的技能水平又如何回应到这样的模型上呢？
He found that rats that exercise on a treadmill have raised levels of brain-derived neurotrophic factor coursing through their brains.
他发现，在跑步机上锻炼的老鼠，其大脑中流过的脑源性神经营养因子水平有所提高。
Diabetes is caused by a group of metabolic disorders in which there are high blood sugar levels over a long period of time.
糖尿病是由一组代谢紊乱引起的，代谢紊乱后，血糖水平长期偏高。
In elementary school and junior high, students have such a variety of skill levels and effort levels.
在小学和初中，学生的技能水平和努力程度不同。
A spokesperson commented that levels of carbon dioxide were very high.
发言人称二氧化碳的含量很高。
Scientists have established a connection between cholesterol levels and heart disease.
科学家已证实胆固醇含量与心脏病之间有关联。
This table will give you some idea of how levels of ability in a foreign language can be measured.
这个表格将告诉你一些如何衡量外语能力级别的大致信息。
Growing levels of pollution represent a serious health hazard to the local population.
日益严重的污染对当地人民的健康构成了重大威胁。
If there was a cover-up, it involved people at the very highest levels of government.
如果有掩盖真相的行为，它就牵扯到了处于政府最高层的那些人。
The last decade has witnessed a serious rise in the levels of racism and hostility to black and ethnic groups.
过去的10年里，种族主义及对黑人和少数民族的敌意变得更加严重了。
Levels of waste from the factory may be a danger to public health.
工厂排出废弃物的量可能危及大众的健康。
All of which, of course, have a positive effect on happiness levels.
当然，所有这些都会对幸福水平产生积极的影响。
Because in elementary school and junior high, you have such a variety of skill levels and effort levels.
因为在小学和初中，你有各种各样的技能水平和努力水平。
But the analyses they used were flawed on a number of levels.
但是他们使用的分析方法在很多方面上是有缺陷的。
All of which would, of course, have a positive effect on happiness levels.
当然，这所有都会对幸福等级产生积极的影响。
At senior levels, only a quarter of professors are women, and black women make up less than 2% of all female academic staff.
在高级职称中，只有四分之一的教授是女性，黑人女性在所有女性学术人员中所占比例不到2%。
The A-levels that employers rate least are psychology and sociology.
雇主最不看好的是心理学和社会学课程。
All languages have two general levels of usage—a formal level and an informal level.
所有语言都有两种基本的用法——正式用法和通俗用法。
A ten-year-old child can move up through the levels of a video game easily.
一个十岁的孩子可以很容易地在电子游戏中升级。
There are four different levels of trees in a rainforest.
雨林中有四种不同层级的树。
A tenth of all A-levels are in art and design, or drama, film and media studies-but only a twentieth of those taken by students who gained places at top universities.
艺术设计、戏剧、电影，或者传媒学专业的申请者占所有A级申请者的十分之一，但是只占那些申得顶尖大学名额学生的二十分之一。
We will be returning to the days when some schools encouraged pupils back after A-levels for the so-called "seventh term" entrance exam for Oxbridge.
我们将倒退回过去：一些学校鼓励学生毕业考试后再返回学校，参加所谓的牛津剑桥考试“七年级”培训班。
Some say they will have to abandon the most costly courses, in particular the new “diploma”, a semi-academic, semi-vocational qualification that they reckonis twice as expensive to run as A-levels.
一些学校只好决定撤销花费最大的课程，尤其是新的文凭（一种一边学习理论，一边参加培训的资格认证）估计花费是考大学的两倍。
Some say they will have to abandon the most costly courses, in particular the new “diploma”, a semi-academic, semi-vocational qualification that they reckonis twice as expensive to run as A-levels.
一些学校只好决定撤销花费最大的课程，尤其是新的文凭（一种一边学习理论，一边参加培训的资格认证）估计花费是考大学的两倍。
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