Câu hỏi:

Select the synonym of the following bold and underlined word in each sentence in the unit

To conserve electricity, we are cutting down on our central heating.

A.  protec

B.  hold

C.  make

D.  do

Câu 1:

This is especially worrying when there are about 3,000 plants with values as medicines against cancer, AIDS, heart disease and many other sicknesses.

A. well

B. suddenly

C. particularly

D. highly

Câu 2:

Choose the word whose main stress is placed differently from the others in each group

A.  conserve

B.  disease

C. wildlife

D.  expand

Câu 3:

A healthy body will be able to fight off the illness _______ without the use of medicine

A. nature

B. natural

C. naturalize

D. naturally

Câu 4:

He says he'll tell the authorities but it's just an empty ______.

A.  threat

B.  threaten

C.  threatening

D.  threateningly

Câu 5:

The loss of much forest is destroying Earth’s plant and animal variety.

A. change

B. kind

C. type

D. collectio

Câu 6:

Choose the word whose main stress is placed differently from the others in each group

A. power

B. autumn

C. allow

D. order