導讀：詞組能有效的幫助大家提高完型和句子的理解與寫作質量，為保證大家能夠靈活運用考研重點詞組，社科賽斯李梅老師特配以相應的例句，幫助大家更快地獲得更高的分數。
751.step by step 逐步地
Step by step, he knew the importance of it.
漸漸地，他曉得了它的重要性。
752.stop/prevent/keep sb from doing sth 阻止.....做.....
Further treatment will prevent cancer from developing.
進一步的治療將阻止癌癥惡化。
753.stress on 對...的強調
We lay special stress on developing good-neighborly relations with nearby countries.
我們特別重視發展同鄰近國家的睦鄰關系。
754.strive to do 設法，努力
You should always strive to achieve more, however well you have done before.
無論之前取得何等輝煌的成就，都應該不斷努力進取。
755.subject to 易受...的，受...支配的，將會...的
The investment yield is low and we may be subject to the risk of dollar devaluation.
投資收益很低，并且我們容易遭受美元貶值的風險。
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，可以找個人來代替。
757.such as 例如，諸如
He bought a lot of fruit such as apples and peaches.
他買了許多水果，如蘋果、桃子等。
758.sufficient for 足夠，滿足
An hour is sufficient for you.
一個小時對于你來說已經很充足了。
759.suitable for/to 適合于
This kind of soil is not suitable for growing peanuts.
這種土壤不宜種花生。
760.superior to 優于，級別高于
The present is superior to the past.
今勝于昔。
