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【单选题】
一个重量为G的物体，放在光滑的水平地面上，物体对地面的压N，地面支承物体的N'，（ ）是平衡力。【图片】A.
G和N
B.
G和N'
C.
N和N'
D.
都不是
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举一反三
【单选题】According to the passage, what is the relation between communicating on the one side and reading and writing on the other?
A.
Reading is important and necessary to good writing.
B.
Communication skills are a prerequisite for writing.
C.
Communication skills help normal speech.
D.
Communication skills help reading and writing.
【简答题】下列那个意象语汇和南京题材的咏史怀古诗歌无关？
【单选题】Passage Three Questions 31 to 35 are based on the following passage. What are the specific traits that will assist executives to climb the ladder of success? Opinions vary widely. Given approximately ...
A.
equal qualifications
B.
specific traits
C.
much education
D.
a degree of cruelty
【单选题】According to the passage, what is one difference between the hunting done by some humans and the hunting done by gray wolves?
A.
Some humans hunt more frequently than gray wolves.
B.
Gray wolves hunt in larger groups than some humans.
C.
Some humans can hunt larger animals than gray wolves can hunt.
D.
Some humans prey on animals of all ages, but gray wolves concentrate their efforts on young animals.
【单选题】Passage One What does the author mainly discuss in the passage?
A.
The reasons behind the plunge of oil prices.
B.
Possible ways to stimulate the global economy.
C.
The impact of cheap oil on global economic growth.
D.
The effect of falling oil prices on consumer spending.
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