Try to beat it.

Refrigerating meats ________ the spread of bacteria.

• A. slows

• B. slowing

• C. to slow

• D. is slowed

Throughout the animal kingdom, ________ bigger than the elephant.

• A. whale is only the

• B. is the whale only

• C. only whale is the

• D. only the whale is

The fact ________ credit cards are widely available has made them a popular form of payment.

• of

• that

• is that

• which is

The Constitution gave the legislative branch of government ________ to pass laws

• the power

• has the power

• the power is

• of the power

The gopher (A) digs not only with the (B) claws strong of its two front feet (C) but also with its (D) overhanging front teeth.

• A

• B

• C

• D

Granville Woods is (A) credited with (B) inventing a steam boiler (C) furnaces in (D) the 1880s.

• A

• B

• C

• D

A (A) deficient of folic acid is (B) rarely a problem in humans (C) because the vitamin is present in a (D) wide variety of foods.

• A

• B

• C

• D

(A) Electrical disturbances on Earth (B) are frequently caused (C) for storms (D) on the surface of the Sun.

• A

• B

• C

• D

The (A) internationally famous dancer Maria Tallchief (B) demonstrate that (C) the quality of ballet in North America could equal (D) that of the ballet in Europe.

• A

• B

• C

• D

(A) As two nuclei move closer together, (B) their mutual electrostatic potential energy (C) becomes (D) more large and more positive.

• A

• B

• C

• D