TOEFL Excercise Skills 52-55

On a trip down to the bottom of the Grand Canyon, the equipment will in all probability be carried by a burros

• a trip
• the bottom
• the Grand Canyon<br />
• a

Ford designed the first large-scale assembly line at plant in Highland Park, Michigan

• the first
• assembly line
• plant
• Highland Park, Michigan

In the human body, blood flows from a heart through the arteries, and it returns through the veins

• In the
• a heart
• the arteries

• the veins

The scholarship that Wilson received to study history at Cambridge presented an unique opportunity

• The scholarship
• history
• Cambridge
• an

Observations from Earth indicate that at the solar surface, the outward magnetic field is a strongest at the polar regions.

• the solar
• the outward
• a strongest
• the polar regions<br />

A radar images of Venus add details about a planet dominated by volcanoes and lava

• A radar
• details
• a planet
• volcanoes and lava

In 1863 and 1 864, the U.S. Congress passed the National Bank Acts, which set up a system of privately owned banks chartered by a federal government.

• the National Bank Acts
• a system

• privately owned banks
• a federal government

An human ear responds to a wide range of frequencies

• An
• ear
• a wide range
• frequencies

Bacteria that live in soil and water play a vital role in recycling carbon, nitrogen, sulfur, and another chemical elements used by living things.

• soil and water
• a vital role
• another
• living things

During the U.S. Civil War, an American balloonist organized a balloon corps in Army

• the US
• an American
• a balloon
• Army