The word boulder in Paragraph 2 is closest in meaning to ______.A.canyon sideB.big shipC.b
The word boulder in Paragraph 2 is closest in meaning to ______.
A.canyon side
B.big ship
C.big rock
D.building
The word boulder in Paragraph 2 is closest in meaning to ______.
A.canyon side
B.big ship
C.big rock
D.building
A.tell us an interesting story
B.explain the concept of civilization
C.illustrate the development of civilization
D.show civilized people"s regret
A.chemical warfare
B.the decrease of fresh air
C.the greenhouse effect
D.nuclear plants
A.haze
B.wind
C.solid water
D.liquid water
A.Some are not very good.
B.It is unusual to see such paintings.
C.Many were drawn by children.
D.The artists were mostly right-handed.
A.the weather there is bad
B.the canyon is too long
C.the flood there is dangerous
D.there are many storms
A.executions
B.mechanics
C.elements
D.instruments
A.Lack of oxygen.
B.Overgrowth of water plants.
C.Low water level.
D.Serious pollution upstream.
A.Teachers play the most important role in this activity.
B.Both teachers and students are important in this activity.
C.Students play a more important role than teachers do.
D.Students have to prepare well and talk as much as possible.
A.The perpetual studier spends more hours on study than the average studier.
B.The perpetual studier is much more socially adept than the average studier.
C.The perpetual studier will study with friends more often than will the average studier.
D.The average studiers study more efficiently than the perpetual studiers do.
A.assume
B.perceive
C.comprehend
D.observe
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