Students practice in groups of four.
学生四人一组练习。
工作中，四个人一组。
Discuss in groups of four and finish the experiment report.
小组讨论并完成实验报告。
You should work together on the assignments in groups of four.
作业必须由四人一组来合作完成。
The Tuareg live in groups of four or five families. Everybody helps each other.
图阿列格人一般都是四五个家庭住在一起，大家互相帮助。
Work in groups of four and describe your favorite artist according to the models.
四人小组活动，描述自己喜欢的艺术家。
Ask the students to make an investigation about their future plans in groups of four.
通过小组调查活动操练本课重点句型。
Bring a photo of your family to class. Work in groups of four. Talk about your photo.
拿一张自己全家的合影来，4个人一组看照片做会话。
Read the passage again and make notes in the two columns. then discuss your notes in groups of four.
学生再次逐段细读课文，再次进行深层思考，找出二个大国之间的相同和不同。
Work in groups of four, one student says out the situation and other students describe their feelings.
小组活动，四人小组，一人说出情景，其余三人描述感受。
If collapsed containers were bundled together in groups of four, ships could be loaded far more quickly, cutting the time spent in ports.
若集装箱可以四个为一组堆起来，轮船可以用更快的速度装货，减少在港时间。
If collapsed containers were bundled together in groups of four, ships could be loaded more quickly, cutting the time spent in ports.
如将折叠起来的集装箱四个一组捆在一起，则可更快地往船上装货，减少在港口停留的时间。
He finds that the proteins seem to freely associate in groups of four at the surface of each cell, but that in order for another cell to bind, it must have pretty much the exact same group of four.
研究者发现，这些蛋白似乎在细胞表面自由组合成包含四个蛋白的组合，但如果要结合其他的细胞，就必须有很多完全相同的这种组合。
In each class, forty pupils are divided into four groups of ten.
每个班四十名学生被分成四组，每组十人。
Now waste from daily life in the city of Shanghai is required to be separated into four different groups.
如今，上海的日常生活垃圾被要求分为四类。
In the third study, 75 men and women were randomly assigned to one of four groups.
在第三项研究中，研究人员将75名男性和女性随机分为四个小组。
Down the hall, the girls in Carol Anderson’s second grade classroom are sitting in groups of three and four.
沿着走廊走下去，凯洛尔·安德森班里的二年级的女孩们正以三四个人为一组的形式坐着。
Then the offspring of the four groups, which were all raised in comfortable surroundings, were put through the same test.
而后，研究人员又对饲养于舒适环境中、四组鸡的幼雏进行了相同的测试。
Before completing the initial six-week treatment, 16 (15 percent) of the patients dropped out of the study in similar proportions in all four groups.
完成最初6周治疗前，16名患者（15%）从研究中脱失，全部四组比例一致。
After six months, women in all four groups had lost up to 10% of their body weight - but most could not keep this going.
在6个月后，所有4个试验小组的妇女都能减掉10%的体重，但是大部分人不能维持这个成果。
Mr Wondracek's analysis of over 6,500 Xing groups, containing a total of more than 1.8m users, suggested that his rogue site would be able to determine the identity of around four in ten visitors.
Wondracek分析了Xing的6500多个用户组，包含了超过一百八十万的用户，结果表明他的窃取网站能够分辨出将近十分之四的用户。
For example, blacks, Hispanics and women are significantly more likely than whites and men to say major conflicts exist between groups in at least three of the four areas tested in the survey.
比如，调查对四个领域进行了测试，至少在三个领域里，黑人、说西班牙语的人和女性比白人和男性明显更可能认为不同群体之间存在严重冲突。
The Inughuit are one of the smallest indigenous groups in the world, with a population of just 800 spread across the four settlements that make up the Thule region.
极地因纽特人属于我们这个世界规模最小的土著群体之一，800多人散布在图勒地区的四个定居点。
Some of the women in each of the four groups actually gained weight, some more than 10 lb. each.
每个组中都有一些人确实增加了体重，有些人每人增加了10磅。
Some of the women in each of the four groups actually gained weight, some more than 10 lb. each.
每个组中都有一些人确实增加了体重，有些人每人增加了10磅。
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