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。
116. by means of 用，依靠
He will try his utmost to help them by means of his conventional medical knowledge.
他将会用自己的传统医学知识尽全力帮助他们。
117. by mistake 错误地，无意地
He has been arrested by mistake.
警方误抓了他。
118. by no means 决不
The problem is by no means as simple as we first thought.
问题绝不像我们最初想象的那么单纯。
119. by way of 经由，通过...方法
She should leave him by way of divorce.
她因该通过离婚的方式离开他。
120. by/in virtue of 依靠...(的力量)；由于
He was highly praised in virtue of his brave deeds.
他由于见义勇为而受到了大力表扬。
121. call at 访问，拜访
They called at Mr. Brown’s office last Thursday.
他们上周四曾到布朗先生的办公室去拜访他。
122. call for 要求，需要
(1) He sat down and called for some beer.
他坐下来要了一些啤酒。
(2) To be a nurse calls for endurance and patience.
做一名护士需要有毅力和耐心。
(3) This good news calls for a celebration.
这个好消息值得庆祝一番。
123. call off 放弃，取消
(1) He decided to call of his regular press conference.
他决定取消他的定期记者招待会。
(2) Since the weather is bad, let’s call off the trip.
既然天气不好，就不去旅行了。
124. call on/upon （短暂）访问，拜访；号召，呼吁
They call upon all concerned parties to play their role.
他们号召有关各方要发挥其作用。
125. call up 打电话(给);使人想起；召集；
(1) When I’m in Pittsburgh, I call him up.
我每到匹兹堡，都给他打电话。
(2) She can still call up scenes of childhood.
她仍能想起儿时的情景。
(3) He was called up at the beginning of the war.
战争开始时他就被征召入伍了。
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