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【单选题】
已知a=4，b=2，且焦点在x轴上的椭圆标准方程为（ ）A.
x 2 4 + y 2 2 =1
B.
y 2 4 + x 2 2 =1
C.
x 2 16 + y 2 4 =1
D.
y 2 16 + x 2 4 =1
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【单选题】In Naipaul's eye, this rural county in Wiltshire is an embodiment of ( ) .
A.
the pastoral beauty
B.
h is hometown
C.
the imperial past
D.
his immigration
【单选题】"Last October, due to an early frost, the price of a pumpkin increased by 10 percent compared to the price in the previous Halloween season. As a result, the quantity demanded county-wide decreased fr...
A.
demand curve for Halloween costumes shifted leftward.
B.
price elasticity of demand for pumpkins decreased from its value in previous years.
C.
demand curve for pumpkins shifted leftward.
D.
total revenue from the sale of pumpkins decreased.
【多选题】In The Enigma of Arrival , Naipaul gives a meticulous and detailed account of this rural county, including ( )
A.
routes
B.
farm houses
C.
clusters of vegetation
D.
tourist attractions
【多选题】Although the November election may significantly change the face of the county Board of Commissioners, the group will still have to confront the same old problems.
A.
The November election may give the Board of Commissioners a new building.
B.
The Board of Commissioners consists of several members.
C.
The November election may change the membership of the Board of Commissioners.
D.
Although board members may change, the problems will remain the same.
E.
The author does not believe that this election will change the difficulties facing the commissioners.
【单选题】Oxford, City of Dreaming SpiresOxford is the county town of Oxfordshire and famous worldwide for its prestigious university, the oldest in the English-speaking world. In his poem ‘Thyrsis’ the Victori...
A.
People not at and at university.
B.
The people who live in a town and the people who belong to the university in that town.
C.
The residents of the town and the teachers in the university in that town.
D.
Teachers and students in the same university.
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