EXERCISE 3 OF TOEFL STRUCTURE

The hard palate __ between the mouth and nasal passages.

• forming a partition

• a partition forms

• forms a partition

• a form and a partition

A stock __ at an inflated price is called a watered stock.

• is issued

• issued

• it is issued

• which issued

Acidic lava flows readily and tends to cover the skin much larger areas, while basic lava------.

• viscous

• more viscous

• is more viscous

• it is more viscous

When fluid accumulates against the eardrum, a second more insidious type of ---------.

• otitis media may develop

• developing otitis media

• the development of otitis media

• to develop otitis media

Experiments _______ represent a giant step into the medicine of the future.

• using gene therapy

• use gene therapy

• they use

• gene therapy uses

A pride of lions ____ up to forty lions including one to three males, several females, and cubs.

• can contain

• it contains

• contain

• containing

The tetracyclines, _____ antibiotics, are used to treat infections.

• are a family of

• being a family

• a family of

• their family is

According to the hypothesis in the study, the monarchs pick up the magnetic field of the _____ migrate by following magnetic fields.

• target monarchs

• target since monarchs

• target since monarchs are

• target

_____ show the relations among neurons, they do not preclude the possibility that other aspects are important.

• Neural theories

• A neural theory

• Although neural theories

• However neural theories

If ultraviolet radiation enters the Earth’s atmosphere, _____ generally blocked by the ozone concentrated in the atmosphere.

• it

• it is

• so it is

• then it is