作者asdjkl ( )
看板GMAT
标题[计量] 请问两题PP计量
时间Thu Oct 4 22:39:20 2007
110.
If z^n = 1, what is the value of z ?
(A) n is a nonzero integer.
(B) z > 0
答案A
(A)成立的话 Z不就有两个值了吗(1或-1)
我本来选(c) 这样z=1
116.
An insurance company has a contract with a medical laboratory to pay
a discounted price for a certain medical test performed on patients
referred to the laboratory by the insurance company.
If the laboratory's original bill for this medical test on a patient
referred by the insurance company is $230, what is the percent discount
specified by the contract between the laboratory and the insurance company?
(1) The insurance company is required to pay only 20 percent of the original
bill for the test.
(2) The insurance company is required to pay $46 for the test.
答案D
看不太懂题目在说啥^^"
谢谢唷
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1F：推 infnac:No.110是 OG10 的No.262，OG10中答案是 C 耶。 10/05 02:23
2F：推 asdjkl:对耶 我对错答案了 不好意思耶 10/06 02:30