In deed more and more schools are discovering that foreign languages are best taught in the lower grades.Young children often can learn several languages by being（ ）to them,while adults have a much harder time learning another language once the rules of their first language have become firmly fixed.A.disclosed B.revealed C.immersed D.exposed
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How much do the majority of one way sales flights probably cost?A.Less than $44 B.Between $44 and $64 C.Around $100 D.More than $100
Board of trustees is composed chiefly of laymen because（）Athey are more likely to represent public interestsBthey have more commonsense and less professional biasCtheir interests are affected by board decisionsDNone of the above
Sisal rope is （）than manila rope.A、stronger and more flexibleB、less strong and less flexibleC、less strong and more flexibleD、more strong and less flexible
Which statement is FALSE concerning the interleave depth value？（）A、A higher interleave depth provides more protection from burst of noise on the HFC networkB、Higher interleave depth increase downstream latencyC、Lower interleave depth cause some packet loss on typical HFC networksD、None ofthe above
What are two design guidelines for VoIP networks？（）A、 Delay should be no more than 10 ms.B、 Loss should be no more than 1 percent.C、 Jitter should be less then 40 ms.D、 Managed bandwidth is strongly recommended for voice control traffic.
Which of the following is the MOST common problem that occurs in server rooms？（）A、 Excessive coolingB、 Dust buildupC、 Poor ground wiresD、 Wet floors
