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高三英语常见词及短语辨析

[10-20 00:47:15]   来源：http://www.kmf8.com  高三英语教案   阅读：8128次
概要： 再如：He was asleep with his head on his arms.他头枕着手臂在熟睡。asleeping dog正在熟睡的狗 sleeping car卧车 sleeping bag睡袋13 assert，affirm，maintain  assert宣称、断言，常指某人主观自信，坚持己见，有时不顾客观事实而断言下结论。 affirm指以事实为依据，深信不疑地肯定某种观点或看法。 maintain指在相反的证据或论点面前，重申原来的某种观点、立场。A.Despite all the policeman’s questions the suspect ___ that he had been at home all evening.B.It is nonsense to ___ that smoking does not damage people’s health.C.Throughout his prison sentence Dunn has always
高三英语常见词及短语辨析,标签：高三英语教案模板,http://www.kmf8.com

再如：He was asleep with his head on his arms.他头枕着手臂在熟睡。

asleeping dog正在熟睡的狗 sleeping car卧车 sleeping bag睡袋

13 assert，affirm，maintain  assert宣称、断言，常指某人主观自信，坚持己见，有时不顾客观事实而断言下结论。 affirm指以事实为依据，深信不疑地肯定某种观点或看法。 maintain指在相反的证据或论点面前，重申原来的某种观点、立场。

A.Despite all the policeman’s questions the suspect ___ that he had been at home all evening.

B.It is nonsense to ___ that smoking does not damage people’s health.

C.Throughout his prison sentence Dunn has always ___ his innocence.

Answers：A. affirmed B. assert C. maintained

14 as though;even though;though  as though(=as if)，意为“好像;似乎”，引导方式状语从句或表语从句。如：

He spoke as though(as if)he had been here before.他说话的口气好像他以前来过这里。

It looks as if(as though)it is going to rain.看起来好像要下雨。

 even though(=even if)，意为“即使”，引导让步状语从句。though也引导让步状语从句，意为“虽然”;even though有退一步设想的意味，与though不同。though引导的句子所说的是事实，even though引导的句子所说的则不一定是事实。例如：

He will not tell the secret even though(even if)he knows it.即使他知道这个秘密，他也不肯说出来。

He will not tell the secret though he knows it.他虽然知道这个秘密，但他不会说出来。

15 at the beginning;in the beginning  at the beginning 在……初;在……开始的时候。常与of连用。例如： Students usually have a study plan at the beginning of term. 学生们在开学初制定学习计划。  in the beginning 相当于at first，表示“起初、开始”时，含“起初是这种情况，而后来却不是这种情况”之意，不与of连用。例如： In the beginning，some of us took no interest in physics. 起初我们有些人对物理不感兴趣。

16 attack assail assault charge beset

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 都含有"攻击"的意思。

 attack 是常用词, 指"攻击敌人"或"用言论攻击他人", 如:

Germany began to attack the Soviet Union in 1941. 德国在1941年开始进攻苏联。

 assail 指"猛烈连续地攻击", 如:

The enemy plane assailed our defence position. 敌机不断猛烈地攻击我们的阵地。

 assault 语气比 assail强, 指"突然猛烈地进攻", 暗示"武力的直接接触" (如肉搏等), 也有"暴力"的意思, 如：The enemy assaulted us at dawn. 敌人在黎明时向我进攻。

 charge 指"冲击"或"骑兵的突然攻击", 如:

The cavalry charged to the front. 骑兵猛烈向前线冲击。

 beset 指"围攻", 即从各个方向攻击, 如：

In the swamp we were beset by mosquitoes. 在沼泽地里, 我们受到蚊子的围攻。

17 at the age of/by the age of  at the age of表示“在……岁时”，后面接基数词，强调某一时刻的情况或动作，用于一般过去时，作时间状语。例如：

At the age of six，he began to learn English.他六岁的时候开始学英语。

She learned to play the piano at the age often.她十岁的时候学弹钢琴。

 by the age of表示“到……岁的时候”、“在……岁以前”，后面接基数词，强调到某一时刻为止的结果，用于过去完成时或将来完成时，作时间状语。例如：

By the age of sixteen，he had learned to drive a car.到十六岁的时候，他已经学会了开小汽车。

You will have learned more than 2000 English words by the age of fourteen.

到你十四岁的时候，你将学会2000多个英语单词。

18 at the time; at that time; at one time; at a time

 at the time通常用于过去时句子中，指某件事情发生的“当时”、“那时”。例如：

Many people saw the strange thing happen at the time. 当时，许多人都看到了这件奇怪的事情的发生。

 有时，at the time的后面可接“of...”短语。这时，它表示“在(某事态)发生的时候”或“在……的时代”。例如：

Were you in San Francisco at the time of the big earth quake in 1989﹖

1989年旧金山发生地震时，你在那里吗?

It happened at the time of King Alfred. 事情发生在阿尔弗雷德国王时期。

 at that time 则通常指前文明确提到的某个时期、时候。通常其后不带“of...”短语。例如：

In the 17th century much corn was grown in Tibet and Sichuan.At that time

(=At the 17th century) the land along the Changjiang River was becoming very crowded.

 at one time=during a period of time in the past意为“过去有一段时期”，“曾经”。例如：

They used to be good friends at one time. 他们曾经是好朋友。

 at a time则意为“一次”，表示一个时间单位。它常与表示数量的词语连用，表示频率。例如：

Don’t speak all at once.One at a time, please. 不要同时一起说。一次只一个人说。

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