SectionⅢGrammar——连词语境自主领悟先观察原句后自主感悟1
Norwayisatthetopofthelist,whiletheUSisatnumber7
InthelasttenyearsinChina,150millionpeoplemovedoutofpoverty
However,thechallengesarestillgreat
Althoughmorethan80%ofchildrenindevelopingcountriesgotoprimaryschool,about115millionchildrenarenotbeingeducated
Morethan1billionpeopleindevelopingcountriesdonotdrinksafewater
However,inotherregionsoftheworld,e
EasternEurope,waterisnowmostlysafetodrink
Thereportshowsthatwearemakingsomeprogressbutthatweneedtomakegreaterefforts
Althoughdevelopedcountriesgivesomefinancialhelp,theyneedtogivemuchmore
1句中while表示对比或相反的情况,意为“然而”
由2、4、5句可知,but是一个并列连词,而however用作副词
3、6句中although引导让步状语从句,可以与though互换
连词是连接单词、短语、从句或句子的一种虚词,在句中不单独作任何成分,但大多数连接词都有具体的意义和用法
本单元主要学习表示转折关系的连词but,however,although/though,while等
1.but和how