A movement upward and to the left along a given demand curve is called a decrease in
A、results in a movement downward and to the right along a demand curve.
B、results in a movement upward and to the left along a demand curve.
C、shifts the demand curve to the left.
D、shifts the demand curve to the right.
A、increase in demand.
B、decrease in demand.
C、decrease in quantity demanded.
D、increase in quantity demanded.
A、movement downward and to the left along a supply curve.
B、movement upward and to the right along a supply curve.
C、rightward shift of a supply curve.
D、leftward shift of a supply curve.
A、results in a movement downward and to the left along a fixed supply curve.
B、results in a movement upward and to the right along a fixed supply curve.
C、shifts the supply curve to the left.
D、shifts the supply curve to the right.
A.simple
B.double
C.complex
D.simple
A.any movement upward or downward on the budget line will move the consumer to a less preferred point.
B.any movement to the northeast to higher indifference curves moves the consumer to a less preferred point.
C.the slope of the budget line is as much larger as possible than the marginal rate of substitution.
D.All of the above statements are correct.
A.any movement upward or downward on the budget line will move the consumer to a less preferred point.
B.any movement to the northeast to higher indifference curves moves the consumer to a less preferred point.
C.the slope of the budget line exceeds the marginal rate of substitution by as much as possible
D.the budget line has a positive slope and the indifference curve has a negative slop
E.the budget line has a negative slope and the indifference curve has a positive slop
E.
A.any movement upward or downward on the budget line will move the consumer to a less preferred point.
B.any movement to the northeast to higher indifference curves moves the consumer to a less preferred point.
C.the slope of the budget line exceeds the marginal rate of substitution by as much as possible
D.the budget line has a positive slope and the indifference curve has a negative slop
E.the budget line has a negative slope and the indifference curve has a positive slop
E.
The great storms that hit the coast start【6】innocent circling disturbances hundreds, even thousands of miles out to sea. As they travel aimlessly over water【7】by the summer sun, they are carried westward by the【8】winds. When conditions are just【9】, warm, moist air flows in【10】the bottom of such a disturbance, moves upward through it and comes out at the top. In the【11】, the moisture in this warm air produces rain, and with it the heat is converted to energy in the form. of strong winds. As the heat increases, the【12】hurricane begins to swirl in a counter-clockwise motion.
The average life of a hurricane is only about nine days, but it contains almost【13】power than we can imagine. The energy in the heat released by a hurricane's rainfall in a(n)【14】day would【15】the entire electrical needs of the United States for more than six months. Water, not wind, is the main【16】of death and destruction in a hurricane. A(n)【17】hurricane brings 6- to 12-inch downpours【18】in sudden floods.【19】is the powerful movement of the sea—the mountains of water moving toward the low-pressure hurricane center. The water level【20】as much as 15 feet above normal as it moves toward shore.
(1)
A.they
B.these
C.it
D.this
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