TP 2 Unit 12 Supplementary Exercises

Archery, the skill of shooting arrows with a bow, ___ one of the earliest hunting techniques acquired by humans.

• it was

• was

• that were

• were

Combined with hydrogen as hydrofluoric, ___ is used to etch glass and "frost" light bulbs.

• that fluorine

• fluorine that

• fluorine

• from fluorine

Three pairs of glands in the mouth and cheeks, ___ as the salivary glands, produce saliva.

• are known

• known

• they are known

• knowing

___ groups of human beings have lived apart for long periods of time and differ from one another in various ways.

• A

• One of

• Many

• Most of

According to United States Army regulations, a man must ___ the hand salute at a distance of not more than 30 paces.

• make

• making

• to make

• made

Folklore includes all the customs beliefs, and traditional that people have handed down from generation to generation.

• includes

• traditional

• have

• from

After studying at Purdue University, Neil Amstrong joined the Navy, obtained his aeronautical engineering degree in 1935, and becomes a test pilot.

• studying

• his

• engineering

• becomes

In Australia, most of the rivers that rise in the Eastern Higlands and flow west either dry up nor are seasonal.

• most

• the

• and

• nor

Geographical and politically, Austria emerged in the tenth century as the eastern border state of the Holy Roman Empire, serving as a fortification against the invading Slavs.

• Geographical

• the

• serving

• invading

In 1988, brain scan used the Magnetic Resonance Imaging revealed that autistic individuals have a large deficiency of brain cells in a part of cerebellum kown as the vermis.

• used

• autistic

• individuals

• dficiency