UNLOCK 4 Unit 3 Vocabulary

Some people's teeth are highly ________ to cold.

• sensation

• sense

• sensitive

• sensible

Surgeons use ________ instruments and devices in operations.

• identified

• sophisticated

• trembled

• cured

This new medical innovation will ________ the quality of life.

• enhance

• customize

• operate

• occur

People usually have mixed opinions about ________ issues, such as animal rights.

• sophisticated

• unsustainable

• controversial

• contagious

You are my best friend. You can ________ me for financial support.

• emphasize on

• rely on

• bring on

• take on

The ________ concern of the government is to prevent any spread of the disease.

• chief

• delicate

• controversial

• sustainable

This invention made a major ________ to education.

• proponent

• contribution

• substance

• insurance

We cannot solve this problem because we have ________ information to identify the source of the problem.

• damaged

• delicate

• insufficient

• instant

The environment is ________ important for both humans and animals.

• crucially

• contoversially

• commercially

• carelessly

Although they lived in different countries, the two families have ________ a close friendship.

• occured

• contracted

• adjusted

• maintained