Skill 1-38 TOEFL

The purpose of a labor union is to improve the working conditions, . . . , and pay of its members.

• jobs are secure

• to be secure

• job security

• the job's security

When . . . on July 4, 1789, the federal tariff, intended by the Founding Fathers to be the government's primary source of revenue, was remarkably evenhanded.

• was first enacted

• first enacted

• was enacted first

• it first

Bioluminescent animals . . . the water or on land.

• live

• are living either

• they are found in

• can be found in

Bats avoid running into objects by . . . high-frequency sounds and listening for echoes.

• the emission

• emitted

• emitting

• they emit

Because of his reservation about the issue, . . . refused to vote for it.

• who

• and

• which the senator

• the senator

It has been estimated that if we intend to stay above the starvation level, . . . the food supply.

• so we will have to double

• and it must double

• which it must be doubled

• we must double

. . . discussed by the board directors when it was proposed again by the supervisors.

• The problem had already

• The problem is already

• The problem had already been

• The problem has already

The x-ray treatments . . . up to the time that he was dismissed from the hospital.

• gave daily

• were given daily

• basically have given

• daily had been given

The Military Academy at West Point . . . on the west bank of the Hudson River, north of New York City.

• located

• is located

• which is located

• whose location is

. . . impressive chapter in the book was the chapter on Stuart's scientific theories.

• It was the most

• The most

• Most

• Most of the