necessary 高考四级六级

The doctors held a consultation to decide whether an operation was necessary.

医生们会诊以决定是否要动手术。

It is necessary to exercise caution when making commendations.

做推荐时有要谨慎一些。

This has made it necessary for agriculture and industry to develop very quickly.

这就使得工农业须飞速发展。

Defensibility is a necessary character of excellent dwelling environment.

可防卫性是居住区环境质量的要组成方面。

They were plotting how to obtain the necessary information.

他们正在策划如何获取要的情报。

Dream is the necessary psychal power in the common life.

理想在生活中是一种不可少的精神动力。

A retrial was necessary after the original trial ended with a hung jury.

由于初审中陪审员裁决意见不一致，所以要复审。

The ability to do this will be necessary in future flights to distant planets.

"在将来向遥远的行星飞行的时候,要这样的能力。"

You may find it necessary to readjust the wheels from time to time.

你会发现不时调整轮子很有要。

It's necessary for us to study hard .

我们须努力学习。

The children worried the necessary permission out of their father.

孩子们缠着他们的父亲不放, 终于得到了许可。

Is it necessary to decide between remunerative work and meaningful work?

是不是一定要在高回报的工作有意义的生活中间做一个选择呢？

To be a namely piper it is necessary to study for 7 years.

要做个著名的笛手, 要学习七年。

Death is the necessary end of life.

死亡是生命然的终结。

It is necessary that one should obey the law.

一个人遵守法律是要的。

Should make the patient maintains lukewarm thaw quiet, can give when necessary tranquillizer and aconite.

应使病人保持温暖和安静，要时可给以镇静剂和止痛剂。

Gianfranco Zola - God created all things, and can uncreate them as well if necessary.

佐拉――上帝创造了万物，假如要的话，他也可以毁掉一切。

They joined the wires on and made the necessary new connection.

他们把电线接了起来, 接通了所的新线路。

For the apolar compounds, the derivatization was not necessary.

对于非极性化合物，不一定要进行这样的衍生化。

In certain conditions,answering back sarcastically is necessary.

在某种情况下,反唇相讥是要的。