act函数？

ACT数学考试范围主要涉及到算数、初级代数、中级代数、解析几何、平面几何、三角这六大方面。 一、三角知识点细分 直角三角形的三角比、三角函数的函数值、性质和图像、三角函数建模、三角恒等式的运用和解三角等式。 二、精选知识点实例解析 ACT数学对于中国考生来说并不难，基本相当于初中水平。

关于act用法及解释

act在初中英语中是比较常见的一个单词,也是容易让人混淆的知识点之一。接下来我在这里给大家带来act用法，我们一起来看看吧!

act用法

用作名词(n.)

Acts, not words, are what we need.

我们需要的是行动,不是空谈。

Her first act was to shut the door.

她的第一个行动是关门。

My first act was to run into the waiting room.

我的第一个行动就是跑进候车室。

The act was committed with savage brutality.

这是野蛮行为的表现。

～+prep.-phrase

The simple act of telling someone about a problem can help.

向别人讲述问题这一简单举动会有所帮助。

Sometimes just the act of writing down the problems straightens out your thinking.

有时单把这些问题写下来,就会理清你的想法。

用作动词(v.)

用作不及物动词

S+～(+A)

How ought I to act?我该怎么办呢?

I can't act that way.

我不能这样做。

Now at last Simon acted.

这时西蒙终于采取行动了。

Think carefully before you act.

你要三思而后行。

用作系动词

S+～+n.

Don't act the ass.

别像个蠢驴似的。

Stop acting virtue!不要总是摆出一副道貌岸然的样子。

He's always acting the experienced man who has seen everything.

他总是装出一副见多识广,颇为老练的样子。

He acted the gentleman and slept in the armchair.

他像一位绅士一样睡在一张扶手椅子里。

S+～+adj.

The people we met looked and acted happy, pleased with life.

我们遇见的人都表现出很高兴、生活愉快的样子。

She acted calm although she was very worried.

她虽然很忧虑,可是都装得很沉着。

Don't act so stupid.

别装得这样傻。

Sometimes she acts young for her age.

有时候她装出年纪很轻的样子。

S+～+v-ed

He acted surprised and overjoyed.

他流露出又惊又喜的样子。

S+～+asif-clause

He acts as if that he was ill.

看样子他像是病了。

He acted as if he'd never seen me before.

他表现得好像从来就没有见过我似的。

Just act as if nothing's happened.

就假装好像什么事都没发生过。

用作及物动词

S+～+n./pron.

In the evening they acted a play which Joe had written and a few friends came to see it.

晚上他们表演乔写的剧本,有几个朋友来看演出。

She acts her part well.

她演得很好。

She is acting the role of Juliet她演朱丽叶这一角色。

The boy is going to act the part of messenger in the play.

这个男孩将在剧中扮演通讯员。

act相关解释

v. 行动;表现;表演;起作用

n. 行为;行动;法案，法令;短节目

act例句

1. He wants to act in concert with other nations.

他想和其他国家采取一致行动。

2. Politicians across the political spectrum have denounced the act.

各党派的政客们都对该行为表示谴责。

3. It was imperative that he act as naturally as possible.

最重要的是他要做到尽可能自然。

4. There are many people who still find the act of abortion abhorrent.

仍有很多人对堕胎行为表示厌恶。

5. A patient will usually listen to the doctor'sadvice and act on it.

患者通常都会遵照医嘱行事。

6. Every person stood to applaud his unforgettable act of courage.

所有人起立为他不可磨灭的英勇之举鼓掌。