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【简答题】
将混浊的河水用如如图所示的简易净水器进行净化，其中活性炭的作用是______，用此装置净化后得到的水属于______（填“纯净物”或“混合物”）．
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举一反三
【单选题】It’s _______ much more than I ________ it.
A.
cost, paid
B.
spent, paid for
C.
worth, paid
D.
worth, paid for
【简答题】信用证中有这样一个条款： “75%of interest 180 days should be paid by the applicant，the others paid bybeneficiary．” 问：这个条款属于什么性质?它的使用是为了解决什么问题?
【单选题】The word task originally meant money to be paid by people of businesses to a government for public purposes, but not it refers to work that has to be done. This is an example of ______.
A.
narrowing of meaning
B.
widening of meaning
C.
meaning shift
D.
loss of meaning
【单选题】单句理解 听力原文：For one full year when the full principal plus interest is paid together, compound interest and simple interest yield the same dollar amount. (1)
A.
If the time period of the loan is one year, the simple interest and compound interest are the same.
B.
If the time period of the loan is the same, the simple interest and compound interest are the same.
C.
When the full principal plus interest is paid together, compound interest and simple interest are of the same dollar amount.
D.
When the full principal plus interest is paid together, compound interest and simple interest are not of the same dollar amount.
【单选题】Interest of current savings accounts is paid on a regular basis , and the interest should be calculated base on( ).
A.
The current rates listed on the notice of deposit date
B.
The current rates listed on the notice of withdrawing date
C.
The current rates listed on the notice of January 1st that year
D.
The current rates listed on the notice of expiry date for interest
【单选题】The rate of interest paid on a bank loan will depend () your firm’s standing with the bank and may be 2 per cent or 3 percent.
A.
of
B.
upon
C.
for
D.
in
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