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It can be inferred from the last paragraph that before the Second World War,______.A．malaria had taken few lives in Sri LankaB．malaria had been a very serious problem in lowland regions in Sri LankaC．malaria had remained unrestrained in Sri LankaD．malaria had been already put under control in Sri Lanka
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What was scientists' understanding of cryptic species?A．They occurred in equal numbers in all biogeographical regions.B．They were mostly found in insects and reptiles.C．They were likely to be in tropical rather than temperate regions.D．Both Ｂ and Ｃ.
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No problem, I will handle it for you.()
A. 没问题，我来替你控制这个手柄。B. 没问题，我为你操纵这个手柄。C. 没问题，我来替你处理这个事情。
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To solve the euro problem ,Germany proposed that______.A．EU funds for poor regions be increasedB．stricter regulations be imposedC．only core members be involved in economic co-ordinationD．voting rights of the EU members be guaranteed
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Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications?()
A. They are both regions of lowest loss.B. They are both regions of low reflections.C. They are both regions of low index of refraction.D. They are both regions of low chromatic dispersion.E. They are both regions of low Polarization Mode Dispersion (PMD).
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Which of the following procedures are involved in the recommended three-step troubleshootingflow？（Choose the best three answers.）（）A、Problem reportB、Problem collaborationC、Problem diagnosisD、Problem resolutionE、Problem documentationF、Probiem authentication
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What are two possible root causes of the Application Subsystem going into "partial service?" （）A、JTAPI User problem B、CTI Route Point problem C、CTI Port Group problem D、script problem E、application problem
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Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications?（）A、They are both regions of lowest loss.B、They are both regions of low reflections.C、They are both regions of low index of refraction.D、They are both regions of low chromatic dispersion.E、They are both regions of low Polarization Mode Dispersion (PMD).
考题
关于引导客户需求技巧——spin中说法正确的是：（）A、S-Situation——背景问题B、P-Problem——难点问题C、I-Imply——暗示问题D、N-Needs——示益问题
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单选题In regions near the poles，the winds are generally described as（）.A
WesterliesB
EasterliesC
NortherliesD
Southerlies
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问答题When Christopher Columbus reached America, he thought he arrived in 21 .The population of Native Americans in the US: 22 .Regions where Indians live: 23 , 24 or cities.Why young Indians leave their hometown:for 25 reasons.Rate of unemployment in reservations:around 26 percent.Jobs held by Indians:mostly 27 and 28 .Health problem: Indians commonly leads a(an) 29 life than other Americans.College education: finished by at least 30 of Indians over 25 years old.
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单选题Australia is a large island continent in the southern hemisphere with a diverse range of climate zones. These vary from _____ in the north through the arid expanses of the interior to temperate regions in the south.A
sub-tropical regionsB
tropical regionsC
sub-temperate regionsD
rainforest regions
考题
单选题Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications？（）A
They are both regions of lowest loss.B
They are both regions of low reflections.C
They are both regions of low index of refraction.D
They are both regions of low chromatic dispersion.E
They are both regions of low Polarization Mode Dispersion （PMD）.
考题
单选题The gap in the ozone hole over the North Pole can expand each summer enough, that it exposes regions as far south as Sweden by heightened UV radiation, also increasing rates of skin cancer in the northern regions by as much as 50 percent.A
that it exposes regions as far south as Sweden by heightened UV radiation, also increasingB
that regions as far south as Sweden have been exposed to heightened UV radiation, as well as having increasedC
to expose regions as far south as Sweden to heightened UV radiation, increasedD
to expose regions as far south as Sweden to heightened UV radiation and increaseE
that exposure to heightened UV radiation in regions as far south as Sweden, as well as increasing
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