1. By comparison, nearly half of male high-school students express their preference for a traditional, male-headed, one provider, nuclear family, where the wife stays home as mother and housewife.
    与此相比, 几乎有一半男中学生表达了他们对传统的、以男人为家长的、只有一个人养家糊口的核心家庭的偏爱，在这种家庭里妻子作为母亲和家庭主妇呆在家里。

2. By the end of 1995, each of China's provincial capitals except for Tibet will have digital switches and high-capacity optical fiber links.
    到1995年底，中国除了西藏以外的省会都将有数字转换器和高容量的光纤网。

3. By the time the children reach high school, something remarkable has happened.
    到这些孩子上高中时，引人注目的事发生了。

4. Where the cost of government is high, resources for development are correspondingly low.
    凡是政府管理费用高的地方，用于发展国家经济的资金就会相应地减少。

5. With the hand held high in the air, hold the string so that the weight nearly touches the ground.
    把手高高举在空中握住绳子，让重物几乎接触地面。

6. When he got there he found the clock so high up that he could not see the figures on the face distinctly.
    走到钟下时，他发现钟挂得太高了。他根本没有办法看清楚钟面上的数字。

7. When surveyors ask U.S. female high-school students what they are going to do when they graduate, they list all kinds of roles they want to fill, like doctors, lawyers, engineers, accountants, civil servants, police and firemen, and fighter pilots.
    当调查人员询问美国女中学生们毕业后打算做什么时，她们列出了各种各样她们所喜欢做的工作，如当医生、律师、工程师、会计、文职官员、警察、消防员以及战斗机驾驶员。

8. Whether you're a junior school student or a young adult at college, get caught cheating and you'll pay the price — usually a very high one.
    不管你是初中生还是年轻的大学生，一旦被发现有作弊行为，你就得付出代价--而且往往是惨痛的代价。

9. Women of child-bearing age are at greatest risk, since their monthly bleeding is a major source of iron loss.
    育龄女性危险最大，因为月经是铁流失的重要原因之一。

10. While active, child-bearing age women are most likely to have low iron stores, he notes, "Men are not safe, especially if they don't eat meat and have a high level of physical activity."
    他还指出，虽然积极锻炼的育龄妇女最有可能铁离子储量低，"但男性也并非不缺铁，尤其是在他们不吃肉类而又从事高强度的体力活动的情况下。"