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【简答题】
( )是指当市场价格达到客户预先设定的触发价格时,即变为限价指令予以执行的一种指令。
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【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
【简答题】The first tennis balls ______ (是由皮革里面塞满羊毛或是毛发制成的).
【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
【单选题】The boiler feed pump discharge pressure is higher than the steam drum pressure to _____.
A.
ensure feed water flow into the boiler
B.
keep the steam drum pressure high
C.
pr water hammer in the feed line
D.
help the feed water flash to steam
【单选题】是函数 的( )间断点.
A.
可去;
B.
跳跃;
C.
无穷;
D.
震荡.
【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】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
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