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(翻译）In telecommunication and information theory, forward error correction (FEC) is a system of error control for data transmission, whereby the sender adds redundant data to its messages, also known as an error-correction code.
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As an Internet retailer, your business depends on online marketing programs to drive targeted traffic to your website. It also depends on efficiently converting that traffic into paying customers, with whom you can build a lasting and relevant relationship. With online advertising prices rising, increasing competition in the marketplace and ever more clever shoppers, every visit to your site counts, and the success of converting those visitors to paying customers is very important.
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Which company is doing this advertisement？
Topica's Online Marketing and ______.
In the class of the computer information, there weren’t enough computers for every student, so we＿＿＿.
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There is no shortage of tipsters around offering "get-rich-quick" opportunities. But if you are a serious private investor， leave the Las Vegas mentality （19）________ those with money to fritter. The serious investor needs a "proper portfolio" —— a well —— planned selection of investments， （20）________ a definite structure and a clear aim. （21） exactly how does a newcomer to the stock market go about achieving that？
Well， if you go to five reputable stock brokers and ask them what you should （22）your money， you"re likely to get five different answers even if you give all the relevant information about your age， family， finances and what you want from your investments. Moral？ There is no one right way to structure a portfolio. （23） ________ there are undoubtedly some wrong ways， and you can be sure that （24） of our five advisers would have suggested （25 ）________all （or perhaps any） of your money into Periwigs.
So what should you do？ We"ll assume that you have （26）________out the basics —— like mortgages， pensions， insurance and {27）________ to sufficient cash reserves. You should then establish your own individual aims. These are partly a matter of personal circumstances， partly a matter of psychology.
For instance， if you are older you have less time to recover from any major losses， and you may well wish to （28） ________your pension income. So preserving your capital and generating extra income are your main 15 priorities. In this case， you"d probably construct a portfolio with some shares （but not high risk ones）， along with gifts， cash deposits， and perhaps convertibles （29） ________the income shares of split capital investment trusts. If you are younger， and in a solid financial position， you may decide to take an （30） ________ approach but only if you"re blessed with a sanguine disposition and won"t （31） sleepless nights over share prices. If you recognize yourself in this description， you might include a couple of heady growth stocks in your 20 portfolio， alongside your more pedestrian investments. Once you have decided （32） your investment aims， you can then decide （33） ________ to put your money. The golden role here is to spread your risk —— if you put all of your money into Periwigs International， you"re setting yourself up as a hostage of fortune.
"Periwigs" is the name of a fictitious company.
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A.in
B.on
C.to
D.upon
A、extra
B、long
C、essential
D、beautiful
Tenure, the practice of assuring professors(1)continuation in their positions(2)they have passed successfully through a probationary period and provided they are not later found seriously deficient(3)a carefully specified procedure, is an important protection of academic freedom.(4)academic freedom of untenured professors, and of students' is not formally protected,(5)of equal concern in academic(6). Until the student movements of the 1960s, the United States lagged in(7)student academic(8); statements on student academic freedom(9)been issued by the AAUP and the American Civil Liberties Union (ACLU).
The U. S. Supreme Court has given legal(10)to academic freedom claims as falling(11), the First Amendment in decisions such(12)Sweezy v. New Hampshire (1957) and Perry v. Sinderman (1972).(13)such actions, challenges(14)academic freedom regularly occur and have become acute(15)critical stages in U.S. history. Following World War Ⅱ,(16)example, the credentials of academics suspected of Communist-party affiliation were often questioned, and teachers were dismissed as actual or(17)Communists.
In the late 1980s some American colleges and universities tried to prevent speech offensive to minority groups.(18)endorsing efforts to discourage such speech,(19)both faculty and students, the courts ruled explicit speech codes designed to enforce "political correctness" unconstitutional as(20)the First Amendment, and the ACLU condemned the codes as undermining academic freedom. The codes were abandoned by the end of 1993.
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