单选题
You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below.
The Deep Sea
单选题
In the first paragraph, the writer finds it surprising that
A. we send robots to Mars rather than to the sea bed.
B. we choose to explore the least accessible side of the moon.
C. people reached the moon before they explored the deepest parts of the earth's oceans.
D. spaceships are sent beyond our solar system instead of exploring it.
A. we send robots to Mars rather than to the sea bed.
B. we choose to explore the least accessible side of the moon.
C. people reached the moon before they explored the deepest parts of the earth's oceans.
D. spaceships are sent beyond our solar system instead of exploring it.
【正确答案】
C
【答案解析】[Distraction] A: The writer mentions robots on Mars, but does not say that it is surprising; B: The writer says this is ironic, not that it is surprising; D: The writer mentions sending spacecraft both beyond and within our solar system but he does not discuss the exploration of either our solar system or others beyond it.
单选题
The writer argues that saying 71% of the earth's surface is ocean is not accurate because it
A. ignores the depth of the world's oceans.
B. is based on an estimated volume.
C. overlooks the significance of landscape features.
D. refers to the proportion of water in which life is possible.
A. ignores the depth of the world's oceans.
B. is based on an estimated volume.
C. overlooks the significance of landscape features.
D. refers to the proportion of water in which life is possible.
【正确答案】
A
【答案解析】The second paragraph says 'understates the oceans' importance. If you consider instead three-dimensional volumes [= the depth as well as the surface area] … less than 1% of the total'.
[Distraction] B: The word 'estimate' refers to the size of the upper sunlit layer of the ocean; C: The submarine landscape is not mentioned in relation to the proportion of the earth covered by the oceans; D: 71% is the suggested proportion of the earth covered by the water in the oceans, but does not take into account whether or not life is possible in all of it.
[Distraction] B: The word 'estimate' refers to the size of the upper sunlit layer of the ocean; C: The submarine landscape is not mentioned in relation to the proportion of the earth covered by the oceans; D: 71% is the suggested proportion of the earth covered by the water in the oceans, but does not take into account whether or not life is possible in all of it.
单选题
How did the diving bell help divers?
A. It allowed each diver to carry a supply of air underwater.
B. It enabled piped air to reach deep below the surface.
C. It offered access to a reservoir of air below the surface.
D. It meant that they could dive as deep as 500 feet.
A. It allowed each diver to carry a supply of air underwater.
B. It enabled piped air to reach deep below the surface.
C. It offered access to a reservoir of air below the surface.
D. It meant that they could dive as deep as 500 feet.
【正确答案】
C
【答案解析】The third paragraph says 'they could swim to the bell to breathe air trapped underneath it rather than return all the way to the surface'.
[Distraction] A: The bell stayed in one place and was not attached to an individual; B: Piped air, 'supplied through hoses', was a later development; D: This was 'later', using 'other devices'.
[Distraction] A: The bell stayed in one place and was not attached to an individual; B: Piped air, 'supplied through hoses', was a later development; D: This was 'later', using 'other devices'.
单选题
What point does the writer make about scientific discoveries between 1930 and 1970?
A. They were rarely the primary purpose of deep sea exploration.
B. The people who conducted experiments were not professional scientists.
C. Many people refused to believe the discoveries that were made.
D. They involved the use of technologies from other disciplines.
A. They were rarely the primary purpose of deep sea exploration.
B. The people who conducted experiments were not professional scientists.
C. Many people refused to believe the discoveries that were made.
D. They involved the use of technologies from other disciplines.
【正确答案】
A
【答案解析】The fourth paragraph says 'Science then was largely incidental [= accidental, by chance] - something that happened along the way'.
[Distraction] B: The people who made the discoveries are described as 'not well known' but it is not suggested they were not scientists (Beebe was a biologist); C: Although the people who made the discoveries are described as 'not well known', there is no suggestion that their ideas were rejected; D: Although the developments are compared to developments in aviation, the text does not say that ideas were borrowed from that (or any other) field.
[Distraction] B: The people who made the discoveries are described as 'not well known' but it is not suggested they were not scientists (Beebe was a biologist); C: Although the people who made the discoveries are described as 'not well known', there is no suggestion that their ideas were rejected; D: Although the developments are compared to developments in aviation, the text does not say that ideas were borrowed from that (or any other) field.