1.The government should encourage companies to invest in exploiting renewable energy.

invest in 投資 可以投資錢也可以投資時間和精力

2.Every citizen should be involved in environmental protection.

be involved in 參與

The parents should be involved in children's homework.

3.The government should give top priority to meeting people's basic needs, such as housing and medical care.

give top priority to sth.把...放在優(yōu)先的位置

4.Children may be more vulnerable to offensive images on the media than adults.

be more vulnerable to易受...的影響

5.Parents can not be indifferent to children's leisure activities.

be ?indifferent to 對...冷漠

leisure activities休閑活動

6.比較句型

Nothing be +形容詞比較級+than...沒有什么比...更...

Nothing do +more+副詞+than...沒有比...更...

Nothing is further than the truth.

Nothing is more important than the Internet.

Nothing communicates more effectively than color/smile/language.

7.否定句型

On no account should+主語+動詞 （絕不應(yīng)該...）

On no account should we lose sight of the benefits of education in basic science courses.

8.There be 句型

There is no substitute for...(...無可取代)

There is no substitute for knowledge gained from experience.

9.It is 句型

It is conceivable that +句子（可想而知）

It is conceivable that with advances in technology, competition is becoming increasingly fierce.

10.倒裝句型

形容詞+as+主語+be （盡管...），+主句

Adorable as pets are, it is by no means appropriate for urban residents to treat them as family members and allocate too much time and money to keeping them.

11.表示有利，有害

It pays to do sth.（...是值得的）

It pays to create conditions in which men and women compete on an equal footing.

12.表示建議，要求

be committed to+名詞（致力于）

We are committed to delivering long-term shareholder value and continue to be open to constructive dialogue with all of our shareholders.

13.

with the advent of...(隨著...的到來)

With the advent of projection in 1895-1896, motion pictures became the ultimate form of mass consumption（大眾消費).

14.

The popularity of mobile phones have negative/positive effects on people's daily life.

The popularity of mobile phones have a serious impact on people's daily life.

The popularity of mobile phones have a direct/indirect impact on people's daily life.

The popularity of mobile phones have a great impact on people's daily life.

15.

Universities play a role in training people for the workforce.

play ?a critical/key role in sth./doing sth.

have an important role to play

16.

Every citizen should make an effort to protect our environment.

spare no effort to do sth.

make every effort to do sth.=do one's best to do sth.

17.

The global trade has improved/enhanced/boost people's living standard.

18.

Higher education must keep pace with the fast-paced development of modern science.

19.表原因、現(xiàn)象

A is the/a key determinant of B.

Some see family income as the key determinant of access to the top universities.

20.表原因、現(xiàn)象

...on the grounds that 基于...的理由

The film could be criticized on the grounds that all of the characters are white,"respectable",and economically advantaged.

21.表原因、現(xiàn)象

stem from=arise from=spring from源自于、來自于

Such disagreements may stem from a variety of causes.

22.表原因、現(xiàn)象

Just because...dose not mean...僅僅因為...并不意味著...

Just because we live in a busy and crowded world dose not mean politeness should be dispensed with.

23.

armed with=equipped with

Only children raised in cities are equipped with the skills essential to success in the real life.

24.

pose a major threat to給...造成巨大威脅

Addiction to technologies poses a major threat to one's physical and mental health.

25.It is imperative/advisable that...必須，應(yīng)該

It is imperative that standards should be maintained.

26.

The upside of...is that...+句子 （...的優(yōu)點是...）

The upside of children's doing some household chores is that such a demand makes them appreciate more fully the value of hard work.