The 1908 Siberian meteorite explosion brought about considerable depletion of the northern hemisphere's ozone layer.
A.brought back
B.resulted in
C.was initiated by
D.was caused by

A.fence
B.boundary
C.periphery
D.wall

What does the passage mainly discuss?
A.The way of life of American Indian tribes in early North America
B.Ceremonies and rituals of American Indians
C.The architecture of early America Indian buildings
D.The movement of American Indians across North America

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Crazianna is a big country. Unfortunately, it has never received respect from its neighbours.
A.Though Crazianna is a big country, it has never received respect from its neighbours.
B.It is Crazianna, a big country, that has never received respect from its neighbours.
C.Crazianna has never received respect from its neighbours because it is a big country.
D.Crazianna is such a big country that it has never received respect from its neighbours.

The word “They” refers to ______.
A.cliffs
B.goods
C.enemies
D.buildings

The author uses the phrase “the three sisters” refers to ______.
A.important crops
B.rain ceremonies
C.family members
D.Hopi women

Which of the following is true of the Shoshone and Ute?
A.They hunted caribou.
B.They did not have many religious ceremonies.
C.They were not as settled as the Hopi and Zuni
D.They built their homes with adobe.

Which of the following animals was the most important to the Plains Indians?
A.The buffalo
B.The salmon
C.The caribou
D.The seal

The author groups North American Indians according to their ______.
A.arts and crafts
B.date of appearance on the
C.tribes and geographical regions
D.rituals and ceremonies

The main idea of this passage is that _________.
A.John Harvard was key to the development of a great University
B.What is today a great university started out small
C.HarvardUniversity developed under the auspices of the General Court of Massachusetts
D.Harvard is one of the world’s most prestigious universities