fortwodays________________Ai
mostBatmostCmostDmostly9_______wemustexpectcha
gestobemadei
oursystemofteachi
gALooki
garou
dBLooki
gaheadCwatchi
goutDLooki
gabout10Itssaidthatexposuretothesu
ca
________theagei
gprocessAreleaseBaccelerateCprotectDaccumulate
Step4Homework：（作业
1准备单词第一次过关2巩固好这张学案，以备下节课检查。
ffr