SAT scores began dropping in 1963; today, on average, 30% of students do not complete high school in four years, a figure that rises to 50% in poor urban neighborhoods.
SAT分数从1963年开始下降；今天，平均有30%的学生没有在四年内完成高中学业，这一数字在贫穷的城市社区达到了50%。
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。
The crime figures are already dropping in many of the areas running the scheme.
在许多实施了该计划的地区，犯罪案件的数量已经开始下降。
HIV's prevalence is dropping in southern India.
在印度南方艾滋病病毒的流行也开始有所下降。
谢谢你们顺道拜访。
I hope you don't mind me dropping in unannounced.
希望你不介意我不请自来。
J: And I'm Jody! Welcome to American Cafe! Thanks for dropping in.
各位听众好，欢迎您到美语咖啡屋。
The words were brave, but I was dropping in the polls like a rock in a well.
我的话听上去勇敢十足，但在民意调查中我的支持率却像石块掉进井中一般飞速下落。
"You're more comfortable dropping in and asking a quick question," she says.
“你可以很自在地拜访他一下，问个简短的问题，”她说道。
Welcome to American Cafe! Thanks for dropping in. Summer is just around the corner.
没错，夏天要来了，我想夏天水上运动应该是最受欢迎的吧。
I'm sorry I forgot to tell you I was coming. I hope you don't mind me dropping in.
我非常抱歉忘记告诉您我要来这，我希望您不介意我的突然造访。
It really annoyed me when he couldn't stop name-dropping in front of our new colleagues.
他在新同事面前不停夸耀自己和名人的关系，真的很讨厌。
Let me offer you a bit of advice: try dropping in the Temple on the last day of the week.
让我给你一些建议：试着在一周的最后一天拜访神庙。
He recently posted on Facebook a video of himself and two dogs dropping in on Carla Bruni, his wife.
最近萨科齐还在他的Facebook上放了一段他带着两条爱犬拜访妻子卡拉·布吕尼的视频。
If you're passing the optician 's this morning, would you mind dropping in and enquiring for my new specs?
如果你上午经过那家眼镜店，你不介意进去问问我的新眼镜配好了吗？
With transmission now dropping in so many areas, it no longer makes sense to treat malaria in shotgun fashion.
随着疾病传播在许多地区的减少，以简单直接的方式治疗疟疾已经不再合乎情理。
Since they have been allowed to choose their own courses, many more students have been dropping in to classes.
自从学生可以自己选课以来，听课的人数增加了许多。
Method: The treatment group used 1% ribavirin naristillae in the way of nose-dropping in addition of routine treatment.
方法：治疗组在常规治疗的基础上加用1%利巴韦林滴鼻液滴鼻。
A bellwether survey of German firms by Ifo, in Munich, showed confidence dropping in April to its lowest in more than two years.
一项由慕尼黑ifo公司所进行的德国公司对未来前景预测的调查表明：在四月份商业信心跌至两年多来的最低点。
The objective of this paper is to study the control problem of pipe-dropping and cable-dropping in the process of ocean-mining.
本文针对深海采矿过程中硬管系统和组合缆系统的下放控制问题进行研究。
The organization has asked the city council for more money for the drug treatment centre, where so many young people are dropping in.
该组织请求市议会拨给戒毒中心更多的款，因为到这里来的年轻人非常多。
On a quarter-on-quarter basis, residential-property prices are dropping in 23 of the 45 countries surveyed by Knight Frank, an estate agent.
房地产经济公司KnightFrank的调查表明，按季度环比计算，在全球45个国家中23国的住宅不动产价格持续下降。
Conclusion The epidemicity of leprosy has been continuously dropping in Zhejiang Province due to the sustained effort and effective control.
结论浙江省麻风流行趋势持续下降，控制成效显著，成果巩固。
The minute I dropped out I could stop taking the required classes that didn't interest me, and begin dropping in on the ones that looked interesting.
从退学那一刻起，我就可以不再选那些我毫无兴趣的必修课，开始旁听一些看上去有意思的课。
The minute I dropped out I could stop taking the required classes that didn't interest me, and begin dropping in on the ones that looked interesting.
在我做出了退学决定的那一刻，我终于可以不用去读那些令我丝毫没有兴趣的课程了，这样，我就可以去学那些看起来很有意思的内容。
The minute I dropped out I could stop taking the required classes that didn't interest me, and begin dropping in on the ones that looked interesting.
一旦我退学了，就能不上那些我毫无兴趣的必修课，可以开始旁听那些我有兴趣的课了。 。
The minute I dropped out I could stop taking the required classes that didn't interest me, and begin dropping in on the ones that looked interesting.
一旦我退学了，就能不上那些我毫无兴趣的必修课，可以开始旁听那些我有兴趣的课了。 。
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