You are required to purchase the readings before classes begin.
上课之前，你必须购买阅读材料。
Withjust over a week to go before classes begin, she has two active campaigns going.
秋季班开始的一周前，她就发起了两个项目。
Shen Fang gets to school at half past seven in the morning, half an hour before classes begin.
沈芳早晨七点半到校，比上课时间提前本个小时。
Knowing that new students will arrive on campus a little bit early, I send them an email the week before classes begin.
确信新生们将稍微早一点到校，我在开课一周前给他们发了一封电子邮件。
And if you are coming as a student for the first time, you cannot enter the country more than thirty days before classes begin.
并且，如果你是第一次以学生身份前往，在课程开始前的30多天内，你是不允许入境的。
Classes begin as early as 6 am with instructors in urban-camo pants yelling out drill-like commands in the traditional bootcamp style.
训练营一般是早上6点开始上课，教官们身穿都市迷彩服，大喊训练口令，和传统的训练营差不多。
Provide update information on Influenza a H1N1 to staff and students. Instructors will show the important messages to students before classes begin.
定期提供甲型h1n1流感资讯予同事及同学，老师在上课前向同学展示需知事项。
[2008-07-23 16:41]--Teenagers need nine hours of sleep a night and parents can help by getting them back on a school sleep schedule before classes begin, researchers suggest.
研究人员日前指出，中学生每天需要九个小时的睡眠，在开学之前，家长们要帮助孩子逐渐回到上学时的作息时间上来。
When starting college, most students enjoy a week's stay on campus before classes actually begin.
开始上大学时，大多数学生都喜欢在真正开课前在校园里呆上一周。
These days, it is not unusual for 10-to 12-year-olds to publish their own websites or for second and third graders to begin computer classes.
如今，10到12岁的孩子发布自己的网站，二、三年级的学生开始上计算机课，已经不是什么新鲜事了。
Ding has yet to pass the final stage and hopes to begin regular classes in the spring.
丁先生尚未通过最后阶段，希望在春季开始一般课程。
Mr. Ding has yet to pass the final stage and hopes to begin regular classes in the spring.
丁先生尚未通过最后阶段，希望在春季开始一般课程。
Shanghai introduced a similar rule at the end of last year ordering primary schools not to start classes before 8:15 am, while secondary schools should not begin lessons before 8 am.
上海则在去年制定了类似的政策，要求小学开课时间不得早于8：15，中学开课时间不得早于8点。
As a way of combating these problems, the high schools in our city should begin classes at 8:30 A.M. instead of 7:30 A.M., and end the school day an hour later.
作为解决这些问题的途径，我市的高中应该在早上8：30开始上课，而不是7：30，并且推迟一小时放学。
Online classes will begin to supplement the physical classroom gradually, she said, but will lead to changes in everything from the schedule of the school day to the architecture of school buildings.
她说，在线课程开始逐渐对实体课堂进行补充，但是这会给所有方面带来变化，从学校每天的课程表变化到校舍结构的变化。
Using classes with specific HTML tags to create tag-class styles to use with a specific HTML element, begin by planning a scheme of tags and their related style variations.
对特定的HTML标记使用类要想创建应用于特定HTML元素的标记类样式，首先要计划标记方案以及相关的样式变体。
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.It wasn't all romantic.
在我做出退学决定的那一刻，我终于可以不必去读那些令我提不起丝毫兴趣的课程了。然后我还可以去修那些看起来有点意思的课程。
Of course I take two hours to go home for lunch. And we begin classes at 2:30the school is over at 4:55.
当然，我需要两个小时的时间回家吃午饭。我们班2时30分开始，学校是在4：55才放学的。A。
Begin to train the professional knowledge to the personnel of classes first, two since February of 2009.
自2009年2月开始对第一、二班的人员进行了专业知识培训。
After importing the classes, you're ready to begin programming inside main .
导入类之后，就可以开始在main中编程了。
The Obama family will settle into an exclusive hotel near the White House in time for the couple's daughters, Malia and Sasha, to begin classes at a private school on Monday.
欧巴马一家将在靠近白宫的一个专用旅馆住下，以便及时让他们的女儿星期一开始在一傢私立学校上课。
Home improvement: Classes like deck building or tiling can allow the two of you to begin doing home improvement projects together.
改进家装：像修建露台或是修葺屋顶这样的课程让你们俩一起找着手家庭装潢计划。
This catalyzed certain members of the upper classes to begin to change the way Christmas was celebrated in America.
这促使上层阶级的某些人开始改变美国圣诞节的庆祝方式。
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 far more interesting.
当我休学之后，我再也不用上我没兴趣的必修课，把时间拿去听那些我有兴趣的课。
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.
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.
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。
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