TOEFL EXERCISE SKILLS 6 - 8

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

Like Thomas Berger's fictional character Little Big man, Laudaerdale managed to find himself where ___ of important events took place.

• it was an extraordinary number

• there was an extraordinary number

• an extraordinary number

• an extraordinary number existed

Case studies are the target of much skepticisms in the scientific community, ___ used extensively by numerous researchers.

• they are

• are

• yet they

• yet they are

___ sucked groundwater from below, some parts of the city have begun to sink as much as ten inches annually.

• Pumps have

• As pumps have

• So pumps have

• With pumps

___ or refinanced, the lender will generally require setting up an escrow account to ensure the payment of property taxes and homeowner's insurance.

• A home is

• A home is bought

• When a home

• When a home is bought

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

Among human chromosomes, the Y chromosome is unusual ___ most of the chromosome does not participate in meiotic recombination.

• in

• so

• and

• in that

The prisoners were prevented from speaking to reporters because ___.

• not wanting the story in the papers

• the story in the papers the superintendent did not want

• the public to hear the story

• the superintendent did not want the story in the papers.

The president of the United States appoints the cabinet members, ___ appointments are subject to Senate approval.

• their

• with their

• because their

• but their

____ 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