盲降
是仪表着陆系统 ILS （ Instrument Landing System）的俗称。因为仪表着陆系统能在低天气标准或飞行员看不到任何目视参考的天气下， 引导飞机进近着陆， 所以人们就把仪表着陆系统称为盲降。
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Onaverageabout￡5000ayearisspentoneachprivateschoolpupil,_______theamountspentonstateschoolpupils.
—Youwerebraveenoughtoraiseobjectionsatthemeeting.
—Well,nowIregret________that.
“Humancapital”isusedprimarilyto______humanbeingswhoseonlypurposeistogeneratewealthfortheupperclasselite.
Thewoundedsoldierswouldrecoverquicklyiftheywerewell________.
Thoughshe_____andpleaded,herefusedtogotothedance.
