Unit21warmup高二英语课件

beforebeingpumpedaroundtherestofthebodyatregularintervals每隔一定间隔circulatethrough使在中循环heartintervaln(时间的/空间的)间隔;间歇afterayearsinterval隔一年后anintervaloftenfeet相隔十英尺trainsleavingatshortintervals每隔很短时间就开出的火车Itsnowedatintervalsthisweek这星期不时下雪，whereitreceivesoxygen，000litresofbloodperday!Itpumpsbloodintothelungs，使周转acirculatedcheque流通支票Peoplewhocirculatefalsenewsaretobeblamed散布流言者该受遣责，1brain2lungs3heart4liver5stomachwindpipethroatintestinebladder6kidneysEx21ThisorganweighsaboutakiloandismadeoftwosidesItislikeasupercomputerthatprocessesinformationbemadeof用…造成(原材料显而易见)processvt加工，时时;每隔一段时间[距离]atintervalsof…相隔，处理brain2Thisorganbeatsatregularintervals100，间或atregularintervals每隔一定时间;每隔一定距离circulatevt使(血液等)循环;使环行;散布，itcirculates80mlbloodthroughthebody–that’s8，每隔atlongintervals偶而，atintervals不时，传播;使(货币等)流通，000timesadayWitheachbeat，Hevisitsmeatregularintervals他总是间隔一定时间访问我一次，v，