The word ‘“others“ in paragraph 1 refers to_____
A.advantages
B.advocates
C.organic foods
D.products

The word “they” in the last paragraph refers to_______
A.sediments
B.cores
C.climates
D.years

The word “extracting" in the second paragraph is closest in meaning to_____
A.locating
B.breaking
C.analyzing
D.removing

The Deep Sea Drilling Project was significant because it was______
A.attempt to find new sources of oil and gas
B.funded entirely by the gas and oil industry
C.the first extensive exploration of the ocean bottom
D.composed of geologists from all over the world

The author mention outer space in the first paragraph because______
A.it is similar to the ocean floor in being alien to the human environment
B.techniques used by scientists to explore outer space were similar to those used in ocean exploration
C.the Earth‘s climate millions of years ago was similar to condition in outer space
D.rock formations in outré space are similar to those found on the ocean floor

The author refers to the ocean bottom as a “frontier” because it______
A.attracts courageous explorers
B.is not a popular area for scientific research
C.contains a wide variety of life forms
D.is an unknown territory

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each of sentences in the following questions.
Why did Danny decide to enter the marathon? Danny's totally unfit.
A.Why did Danny decide to enter the marathon who’s totally unfit?
B.Why did Danny, whose totally unfit, decide to enter the marathon?
C.Why did Danny decide to enter the marathon, who’s totally unfit?
D.Why did Danny, who’s totally unfit, decide to enter the marathon?

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
There won’t be peace in the conflict if both sides do not really desire it.
A.It is only if both sides actually want the conflict to end peacefully that it will happen.
B.As both sides in the conflict apparently desire peace, it is likely that there will be peace soon.
C.The main problem in the conflict seems to be that neither side really desires peace.
D.There has been a lot of fighting in the conflict because both sides seem to want it that way.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Sarah was not best speaker in the class, but her personality and ability to convey her feelings helped her become the most requested.
A.not best
B.ability
C.feelings
D.requested

_________(50)
A.show
B.ask
C.understand
D.know