necessary 高考四级六级

1.Death is the necessary end of life.

死亡是生命然的终。

2.The entry of all expenditure is necessary.

有要把一切开支入账。

3.It's necessary for us to study hard .

我们须努力学习。

4.In certain conditions,answering back sarcastically is necessary.

在某种情况下,反唇相讥是要的。

5.It is necessary to exercise caution when making commendations.

做推荐有要谨慎一些。

6.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。

7.They were plotting how to obtain the necessary information.

他们正在策划如何获取要的情报。

8.It is necessary that one should obey the law.

一个人遵守法律是要的。

9.For the apolar compounds, the derivatization was not necessary.

于非极性化合物，不一定要进行这样的衍生化。

10.It is necessary to set down these additional rules.

有要制定这些补充规则。

11.The mechanic made the necessary adjustments to the engine.

机械师发动机作了要的调整。

12.It is sometimes necessary to indulge a sick child.

迁就一个生病的小孩有是要的。

13.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。

14.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。

15.Cassie found it necessary to explain her blackened eye.

凯茜发现有要解释一下她发黑的眼睛。

16.Perseverance combined with energy is necessary to success in life.

毅力加上精力是人生成功的要素。

17.It’s necessary for us to net the currant bushes.

我们有要用网盖上红醋栗树。

18.It is necessary to decrease the amount of coal used.

须减缩用煤量。

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

是不是一定要在高回报的工作与有意义的生活中间做一个选择呢？

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

他们把电线接了起来, 接通了所需的新线路。