TOEFL Pop Quiz 3

The ponderosa pine is _____ of most of the timber used by forest product firms in the Black Hills of South Dakota.

• the source

• as source

• the source which

• because the source

Computers that once took up entire rooms are now _____ to put on desktops and into wristwatches.

• small enough

• smaller than

• so small

• as small as

According to some educator, the goal of teaching is to help students learn what _____ to know to live a well-adjusted and successful life.

• do they need

• they need

• they are needed

• as they may need

The sapphire's transparency to ultraviolet and infrared radiation makes _____ in optical instruments.

• it is of use

• it uses

• it a useful

• it useful

_____ initial recognition while still quite young.

• Most famous scientists achieved

• That most famous scientists achieved

• Most famous scientists who achieved

• For most famous scientists to achieve

Mango trees, _____ densely covered with glossy leaves and bear small fragrant flowers, grow rapidly and can attain heights of up to 90 feet.

• whose

• which are

• are when

• which

_____, the Canadian composer Barbara Pentland wrote four symphonies, three concertos, and an opera, among other works.

• An artist who, prolific

• Is a prolific artist

• Prolific an artist

• A prolific artist

The Chisos Mountains in Big Bend National Park in Texas were created by volcanic eruptions that occurred _____.

• the area in which dinosaurs roamed

• when dinosaurs roamed the area

• did dinosaurs roam the area

• dinosaurs roaming the area

In bas-relief sculpture, a design projects very slightly from its background, _____ some coins.

• as on

• because

• the way that

• similarly

Alaska found the first years of its statehood costly because it had to take over the expense of services _____ previously by the federal government.

• to provide

• be provided

• providing

• provided