导读：词组能有效的帮助大家提高完型和句子的理解与写作质量，为保证大家能够灵活运用考研重点词组，社科赛斯李梅老师特配以相应的例句，帮助大家更快地获得更高的分数。
751.step by step 逐步地
Step by step, he knew the importance of it.
渐渐地，他晓得了它的重要性。
752.stop/prevent/keep sb from doing sth 阻止.....做.....
Further treatment will prevent cancer from developing.
进一步的治疗将阻止癌症恶化。
753.stress on 对...的强调
We lay special stress on developing good-neighborly relations with nearby countries.
我们特别重视发展同邻近国家的睦邻关系。
754.strive to do 设法，努力
You should always strive to achieve more, however well you have done before.
无论之前取得何等辉煌的成就，都应该不断努力进取。
755.subject to 易受...的，受...支配的，将会...的
The investment yield is low and we may be subject to the risk of dollar devaluation.
投资收益很低，并且我们容易遭受美元贬值的风险。
756.substitute for sth. 替代物
If you cannot go yourself, try to find someone to substitute for you.
你要是自己不能去，可以找个人来代替。
757.such as 例如，诸如
He bought a lot of fruit such as apples and peaches.
他买了许多水果，如苹果、桃子等。
758.sufficient for 足够，满足
An hour is sufficient for you.
一个小时对于你来说已经很充足了。
759.suitable for/to 适合于
This kind of soil is not suitable for growing peanuts.
这种土壤不宜种花生。
760.superior to 优于，级别高于
The present is superior to the past.
今胜于昔。
