Unit7TheSeaTheouterhardcrustofEarthismadeupofadozenorsohardplatesthatdrift(漂流)onextremelyhot,softrocklikefloatingislandsonasea
TheheatwithinEarthisnotthesameeverywhereandtheplatesmoveduetotheheat
Whenanoceanplatebumpsintoalandplate,thelessdenselandplatefloatsovertheoceanone
Theoceanfloorgetspushedunder,anditssaltyrocks,alongwithshellsandbones,arelostdeepwithinEarth
So,3根据短文内容,从下面所给选项中选出能够填入空白处的最佳选项
选项中有两项为多余选项
A.Themarksaredirty
B.therearemanysaltymaterialintheoceans
C.that'swhytheseasaresaltybutdon'tgetanysaltier
D.Itmaintainsaconstantlevelofsaltindifferentways
E.Themarksaretinybitsofsalt
【答案】1—3EDCSectionⅠReading()(Warmup&Lesson1)Ⅰ[新生词汇初识]Ⅰ
匹配下列单词的词性及汉语意思1.participateA.adj
不知道的,未知的2.evaluateB.adv
最终;终于3.arrangeC.vi
道歉4.spiritD.n
讲授,演讲5.deedE.n
祖先,祖宗6.furtherF.vt
安排,准备7.journeyG.n
行为,行动8.