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【简答题】
What comparison does the professor make between the three types of flows? A. How often they occur. B. How fast they move. C. How much damage they cause. D. How far they travel.
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参考答案:
举一反三
【判断题】“参”在“参乎!吾道一以贯之”中指的是孔子的弟子——曾参。()
A.
正确
B.
错误
【单选题】Which of the following would not cause an increase in demand for tennis balls?
A.
a reduction in the price of tennis racquets
B.
a decrease in the price of tennis balls
C.
an unusually sunny fall and winter
D.
an increase in the popularity of tennis
【多选题】有害气体是指对人畜均有直接毒害作用或因不良气味刺激人的感官而影响工作效率的气体。主要有 及其他异味气体。
A.
氨气
B.
硫化氢
C.
二氧化碳
D.
甲烷
【简答题】If the supply of tennis balls, a complement to tennis racquets, decreases, what will happen to the equilibrium price of tennis balls and to the equilibrium price of tennis racquets?
【单选题】Stop throwing litter around, or you’ll offend the neighbors.
A.
make...worried
B.
make...angry
C.
make ...surprised
D.
make... frustrated
【单选题】Tigers  ____ meat-eating animals  ____ meats. [     ]
A.
belonged to; feed on
B.
belonging to; feed on
C.
were belonged to; are fed on
D.
belonging to; are fed on
【单选题】You can escape a fire by______.
A.
tying a rope to sheets and throwing it out of the window
B.
tying a sheet to a heavy piece of furniture and throwing it out of the window
C.
tying a rope to a bed and throwing it out of the window
D.
dropping with cushions and bedding from the window
【单选题】What does the author mean by saying 'you are throwing part of a tree' (line 2, para 2)?
A.
We are tired of the part of a tree.
B.
We are throwing away paper bags.
C.
We are using too much wrapper paper.
D.
We are wasting our precious materials.
【单选题】Which of the following would DECREASE the demand for tennis balls?
A.
An increase in the price of tennis balls
B.
A decrease in the price of tennis rackets
C.
An increase in the cost of producing tennis balls
D.
A decrease in average household income when tennis balls are a normal good
【判断题】任意一个矩阵可通过初等行变换,变为阶梯形矩阵
A.
正确
B.
错误
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