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【判断题】
n期先付年金与n期后付年金的付款次数相同,但由于付款时间的不同,n期先付年金终值比n期后付年金终值多计算一期利息。因此,可先求出n期后付年金的终值,再乘以(1+i),便可求出n期先付年金的终值。A.
正确
B.
错误
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【单选题】Electronic Mail During the past few years, scientist the world over have suddenly found themselves productively engaged in task they once spent their lives avoiding — writing, any kind of writing but ...
A.
direct and reliable
B.
time-saving in delivery
C.
money-saving
D.
available at any time
【简答题】除霜装置一般有两种形式:在有暖风装置的汽车上是将 吹向风窗玻璃,对无暖风装置或多数轿车的后风窗玻璃,则多采用 等加热。
【简答题】An e-book, also known as an electronic book, is an electronic version of a print book that you can download and read. What you need in order to read an e-book is an E-book Reader, which is a kind of _...
【单选题】From Paragraph 4, we know that ______.
A.
the electronic bulletin boards are a popular source of computer viruses
B.
most viruses come from software sellers
C.
whatever measures are taken, it is impossible for people to protect their system against computer viruses
D.
some viruses are data-destroying ones
【简答题】阅读理解 There is a growing problem of what to do with electronic waste such as old televisions, computers, radios, cellular telephones and other electronic equipment. Electronic trash, or e-waste, is pil...
【简答题】我们学院的IP地址是( ),属于( )类IP地址
【简答题】除霜装置一般有两种形式：在有暖风装置的汽车上是将（），对无暖风装置或多数轿车的后风窗玻璃，则多采用（）等加热。
【简答题】半合成青霉素的特点有()、()、()、()等,头孢菌素类特点有()、()、()、()、()、()等,它们都属于( )类药物,虽然临床应用较好,但与青霉素()交叉过敏反应。
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