人教版八年级下册英语Unit7What’sthehighestmountainintheworldSectionA同步练习基础练习一、根据句意及首字母提示完成单词1.TheSaharaisthebiggestd________intheworld.2.ChinaisthebiggestcountryinA________.3.Thep________isincreasingatabout6%peryear.4.Weshouldc________ourselvesinthefaceofdifficulties.5.Humanscansometimesbestrongerthanthef________ofnature.6.TheCaspianSeaisthed________ofallthesaltlakes.7.Whenthebabyseeshermother,sherunsoverwithe____...