Lesson SevenThe Greatest Invention1.Introduction2.Detailed explanation of the text3.Discussion
Lesson Seven The Greatest Invention 1.Introduction 2.Detailed explanation of the text 3.Discussion
Words Study通 alter v.改变，变更，不如change俗，vt.常意味局部，表面的改变。change v.同义词中最常用，vt.常表示本质，彻底的改变: e.g. His appearance has altered /changed a lot
Words Study • alter v.改变，变更，不如change 通 俗，vt.常意味局部，表面的改变。 • change v.同义词中最常用，vt.常表示 本质，彻底的改变。 • e.g. His appearance has altered / changed a lot
是指不规则地或断断续续地改vary变，使一事物有各种各样的变化或在不同的时间有不同的变化，: e.g. With weather becomingwarmerand warmer, we have changed ourclothes. This coat is too big. I must have italtered.In a clothes factory,the clothes varywith fashion
• vary 是指不规则地或断断续续地改 变，使一事物有各种各样的变化或 在不同的时间有不同的变化。 • e.g. With weather becoming warmer and warmer, we have changed our clothes. • This coat is too big. I must have it altered. • In a clothes factory,the clothes vary with fashion
. Bribe n. give / offer bribes, take bribes. He refused to accept a bribe / bribery. Bribe v. to pay sb. As a bribe? E.g. He tried to bribe the customofficers to let them smuggle in cars. He was able to bribe the head of thepersonnel department to get promotion
• Bribe n. give / offer bribes, take bribes • He refused to accept a bribe / bribery • Bribe v. to pay sb. As a bribe • E.g. He tried to bribe the custom officers to let them smuggle in cars. • He was able to bribe the head of the personnel department to get promotion
: deadly adj 1) causing death: e.g deadly weapons, deadly poison·2)like that of death,如死一般的? e.g. deadly paleness deadly adv 1) like that of death,如死-般地 e.g. deadly pale2）excessively过度地 e.g. deadly serious
• deadly adj 1) causing death, • e.g deadly weapons, deadly poison, • 2) like that of death,如死一般的 • e.g. deadly paleness • deadly adv 1) like that of death,如死一 般地 e.g. deadly pale • 2) excessively 过度地 • e.g. deadly serious
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Introduction. The realistic description of the worldsituation today
Introduction • The realistic description of the world situation today
. In view of the latest scientific andtechnological development, it is truethat even ordinary people may haveaccess to the most dangerous weaponsof massdestruction':nuclear.biochemical, andelectronic
• In view of the latest scientific and technological development, it is true that even ordinary people may have access to the most dangerous weapons of mass destruction:nuclear,biochemical, and electronic
The purpose of science? Science is knowledge andknowledge is power. But powerforwhat? Different people havedifferent purposes in mind
The purpose of science • Science is knowledge and knowledge is power. But power for what? Different people have different purposes in mind
: There are people who want scienceto help them make more profitsThere are people who want it toenable them to destroy, kill andconquer. It is obvious that scienceis not an absolute good.It is adouble-edged sword
• There are people who want science to help them make more profits. There are people who want it to enable them to destroy, kill and conquer. It is obvious that science is not an absolute good.It is a double-edged sword