Auroras are created when the sun’s particles are caught in ______.
A.field the earth’s magnetic
B.the field magnetic earth
C.the earth’s magnetic fields
D.the magnetic field earth

It is ______ that so many young people leave school without qualifications.
A.regretted
B.regrettable
C.regretful
D.to regret

Carpets from countries such as Persia and Afghanistan often fetch high prices in the United States.
A.Artifacts
B.Pottery
C.Rugs
D.Textiles

Though many scientific breakthroughs have resulted from mishaps it has taken brilliant thinkers to recognize their potential.
A.accidents
B.misunderstandings
C.incidentals
D.misfortunes

A.tattoo
B.taboo
C.igloo
D.shampoo

A.innovate
B.insolent
C.insistent
D.innocent

A.irrelevant
B.irreparable
C.irritable
D.irrational

A.subculture
B.vigorous
C.gadgetry
D.consensus

The word ” strength ” in line 17 is closest in meaning to
A.basis
B.purpose
C.discovery
D.endurance

Which of the following is NOT mentioned in the passage as being a result of the Deep Sea Drilling Project?
A.Geologists were able to determine the Earth’s appearance hundreds of millions of years ago.
B.Two geological theories became more widely accepted
C.Information was revealed about the Earth’s past climatic changes.
D.Geologists observed forms of marine life never before seen.