Every child in grades 3-5 received a total of eighteen 60-minute lessons across the school year.
在整个学年中，3-5年级的每个孩子都参加了18次时长为60分钟的课程。
马铃薯分级出售。
牛奶是分等级出售的。
Thirty minutes a day in the early elementary years and an hour in grades four, five, and six is standard, says Rosemond.
罗斯蒙德说，低年级的标准是每天30分钟，四、五、六年级的标准是每天1小时。
Enrollment in grades 1-12 increased from 3.9 million in 2004 to 6.2 million in 2008.
1-12年级的入学人数从2004年的390万人增加到2008年的620万人。
Within nine years, all students in grades 4 and higher will have their own computers.
在九年之内，所有四年级和更高年级的学生都将拥有他们自己的电脑。
In 2002 less than 40% of students in grades three to eight (aged eight to 14) were reading and doing maths at their grade level.
在2002年，只有不到40%的三到八年级(8到14岁)学生，其阅读和数学能力达到其年级标准。
Watch for warning signs like decreases in grades, stomach aches or other illnesses, depression and anxiety, or new bad behaviors.
注意各种预警症状，如成绩下降，肚子疼或其他疾病，抑郁和焦虑，或新出现的不良行为等。
The researchers analyzed data from a nationally representative survey of kids in grades 7 to 12 who were interviewed three times between 1995 and 2002.
研究人员根据一份国内有代表性的调查报告进行数据分析。 这份调查始于1995年，对20,594名初中一年级的孩子进行调查，到2002年，他们读高中三年级时为止，期间一共进行了三次访问。
The theory behind NCLB was that schools would improve dramatically if every child in grades 3 to 8 were tested every year and the results made public.
NCLB法案里要求学校提高教育水平，要求每年给予3到8年级的每位孩子测试并公布最终结果。
More than 150,000 girls enrolled in grades six to eight in the poorer districts of Punjab are now receiving a stipend, an as encouragement to stay in school.
在最贫困的旁遮普地区，目前在六至八年级就读的15万多名女童正在接受旨在鼓励她们继续就学的助学金。
Most of our students attained five 'A' grades in their exams.
我们多数学生的考试成绩是五个优。
I forgot all about the ring. Which just goes to show that getting good grades in school doesn't mean you're clever.
我完全忘了戒指的事情。这证明在校取得好成绩并不意味着你就聪明。
你们在不同的年级吗？
There are also stark differences in pay across grades.
不同年级的学生在薪酬方面也存在明显差异。
Her favourite subject was science and she always got excellent grades in her science exams.
她最喜欢的科目是科学，她总是在科学考试中取得优异的成绩。
Congratulation! Your grades are good in this exam.
恭喜！你的成绩在这次考试中很好。
Perhaps selection for the caring professions, especially medicine, could be made less by good grades in chemistry and more by such considerations as sensitivity and sympathy.
也许对于护理行业，尤其是医学行业，在选拔时应该少考虑化学方面的好成绩，多考虑善解人意和同情心之类的因素。
The parents were suspicious about their boy's grades, worrying that he had cheated in the final exam.
这对父母对他们儿子的成绩感到怀疑，他们担心他在期末考作弊。
In the public sector, researchers have found either no sex differences in mobility or a larger female disadvantage in lower grades.
在公共部门，研究人员发现，在流动性方面没有性别差异，或者女性在较低的年级中处于更大的劣势。
Xue Minxiu, born in 1937, graduated with excellent grades after working hard for 4 years.
于1937年出生的薛敏秀，经过4年的刻苦学习，以优异的成绩毕业。
As he got in the habit of hard work, his grades began to soar.
当他养成努力学习的习惯后，他的成绩开始突飞猛进。
Students of color are more engaged and earn better grades when they see themselves in their studies.
当有色人种的学生在学习过程中看到自己族裔的形象时，他们会更专注并取得更好的成绩。
I remember the green coat in my fifth and sixth grades.
我还记得五、六年级时的那件绿色外套。
Good writing skills will help us improve our grades and be good for us later in life.
好的写作技巧将帮助我们提高我们的成绩，对我们以后的生活有好处。
Children not as liked by their first-grade peers had slightly lower grades in fifth grade, while those with higher social acceptance had higher grades.
在一年级时不太受同伴欢迎的孩子，读五年级时的成绩略低，而社交接受度较高的孩子会取得更好的成绩。
The study found that strong teachers in the fourth through eighth grades raised the skills of their students in ways that would last for decades.
研究发现，四到八年级的优秀教师以一种可以持续数十年的方式提高了学生们的技能。
She got good grades in her exams.
她考试成绩优良。
Lower reading achievement scores and grades in fifth grade contributed to reduced grades in middle school and thereby contributed to a 40% lower high school graduation rate.
五年级学生的阅读成绩分数较低，导致其进入中学后成绩下降，进而导致高中毕业率下降40%。
Lower reading achievement scores and grades in fifth grade contributed to reduced grades in middle school and thereby contributed to a 40% lower high school graduation rate.
五年级学生的阅读成绩分数较低，导致其进入中学后成绩下降，进而导致高中毕业率下降40%。
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