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【单选题】
无差异曲线的形状取决于A.
消费者的收入
B.
消费者的收入和商品的价格
C.
消费者的偏好
D.
消费者的偏好、收入和商品价格
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】Name two of famous rooms that are featured in The House on the Rock.
【多选题】When you decide to travel, which of the following should be considered? ( )
A.
Where to go?
B.
What kind of transportation better to choose?
C.
How many days you want to stay?
D.
What will be carried?
【单选题】When you decide to start a family, you make a/an ____ to them. You don't turn your back on the people who love you. [ ]
A.
contribution
B.
commitment
C.
devotion
D.
effort
【单选题】At the most cutting-edge____stores in London, you don't have to go and stand at the cashier’s when you decide to pay.
A.
refund
B.
resort
C.
retail
D.
retro
【单选题】David Beckhamis a famous soccer player. His ____________ is David.
A.
first name
B.
last name
C.
full name
D.
family name
【单选题】When you decide to put a question in your speech to arouse the audience’s interest, you should _______.
A.
try your best to challenge them
B.
give them a question that they could not answer
C.
stand on their shoes to see whether the question is too easy or too difficult
D.
give the simplest question to make sure they know the answer
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