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How much do the photos cost if Jack buys 8 photos?
A.96 dollars
B.64 dollars
C.80 dollars
A.96 dollars
B.64 dollars
C.80 dollars
W: How much do they cost?
M: $60.
W: If we buy 30, what discount will they give us?
M: 10%.
W: What if we bought 100?
M: We'd get a higher discount, but we'd never be able to sell them all.
Questions 1-8
•For question 1-8 you will hear eight short recordings.
•For each question, mark one letter (A, B or C) for the correct answer.
•After you have listened once, replay each recording.
What will the price be if they buy 30?
A.$100
B.$54
C.$60
B.坚持做缩唇腹式呼吸,改善通气,增强呼吸肌功能
C.加强营养,增加抵抗力
D.家庭氧疗,每天坚持低流量吸气15小时以上
E.避免到人多聚积的地方,防止交叉感染
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