Reusingfrequenciesinacellularpattern(comparedto“onebigcell”)（）
A. Increaseschannelutilization,cost,andinterference.
B. Increasescapacityandcost,butdecreasesinterference.
C. Increasescapacity,butdecreasescostandinterference.
D. Increasescapacity,cost,andinterference.
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能够逆向转运胆固醇到肝的脂蛋白是（）。
A. CM
B. LDL
C. VLDL
D. HDL
Asubscribermakesatwo-minutecallandafour-minutecallduringthebusyhour.Howmuchtrafficdoeshegenerateforthathour?（）
A. 33millierlangs
B. 66millierlangs
C. 100millierlangs
D. 10millierlangs
E. 25millierlangs
当人员落水，驶近落水者的操船方法，最适用立即行动的操船方法是（）。 ①singleturn ②doubleturn ③Williamsonturn ④Scharnowturn
A. ①②③④
B. ①②③
C. ①②
D. ③④
Whichofthefollowingisnotnecessarytoconsiderwhensurveyingapotentialsite?（）
A. Spaceforantennas
B. Frequencyallocation
C. Electricalpoweravailability
D. Permission/Contractwithowner
E. AvailabilityofPCMlinktotheBSC
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