1.to differ-Liners differ from other ships in having a large super structure. 2.to vary-The demand varies with the seasons. 3.to range-The paper deals with the nation's problems,ranging from runaway inflation to a lowering literacy levels. 4.to shift-When the wind shifted from south to north it began to get cold. 5.ebb and flow-A strange and violent joy kept ebbing and flowing through her. There was the ebb and flow of the struggles between the hardliners (and the moderates(温和派). III.Ask students to use the following active vocabularies to form sentences as what they have heard from listening(Dictate then remember). 1.to manifest--The contradiction manifested itself in the employment situation. 2.preoccupation--Among young people,the overwhelming preoccupation is to find a job.Environmental protection is clearly our main preoccupation. 3.an out growth of--Inflation is an out growth of war. 4.to cater to--He runs a clothing store catering to the teenagers.We will try to cater to your every desire. 5.to abstain from--He was kidnapped after refusing to abstain from politics1．to differ—Liners differ from other ships in having a large super structure. 2．to vary—The demand varies with the seasons. 3．to range—The paper deals with the nation’s problems, ranging from runaway inflation to a lowering literacy levels. 4．to shift—When the wind shifted from south to north it began to get cold. 5．ebb and flow—A strange and violent joy kept ebbing and flowing through her. There was the ebb and flow of the struggles between the hardliners（强硬派） and the moderates（温和派）. III．Ask students to use the following active vocabularies to form sentences as what they have heard from listening (Dictate then remember). 1．to manifest-- The contradiction manifested itself in the employment situation. 2．preoccupation-- Among young people, the overwhelming preoccupation is to find a job. Environmental protection is clearly our main preoccupation. 3．an out growth of -- Inflation is an out growth of war. 4．to cater to -- He runs a clothing store catering to the teenagers. We will try to cater to your every desire. 5．to abstain from --He was kidnapped after refusing to abstain from politics 11