[多选题]共用题干 A Country's Standard of LivingThe"standard of living"of any country means the average person's ...

[单选题]The book took ten years of thorough research.

[多选题]共用题干 Operatunity1 Operatunity is a TV talent show for amateur opera singers.The winners get the chan...

[多选题]共用题干 第二篇Three Ways to Become More CreativeMost people believe they don't have much imagination.They ...

[多选题]共用题干 Why People Use Pseudonyms（假名字）?You can't choose the name you are given at birth,but in many cou...

[单选题]We had trouble finding a pure water supply.

[多选题]共用题干 Who Built Giza ' s Pyramids（金字塔）?1 For centuries,the pyramids of Giza have been timeless symbol...

[多选题]共用题干 第二篇Puerto Rican Cuisine（菜肴）Puerto Rico, a Caribbean（加勒比海区）island rich in history and remarkable...

[多选题]共用题干 Traffic in Our CitiesThe volume of traffic in many cities in the world today continues to expan...

[单选题]I tried to detach myself from the reality of these terrible events.

[多选题]共用题干 Kicking the HabitWhat is a bad habit?The most common definition is that it is something that we...

[多选题]共用题干 第二篇The Development of BalletBallet is a dance form that has a long history.The fact that it sur...

[多选题]共用题干 Global WarmingFew people now question the reality of global warming and its effects on the worl...

[单选题]I'm sure I'll be able to amuse myself for a few hours.

[多选题]共用题干 The Most Wonderful IslandsThe Palm Islands are the largest artificial islands in the world and ...

[多选题]共用题干 第二篇Approaches to Understanding IntelligencesIt pays to be smart,but we are not all smart in the...

[多选题]共用题干 What We Take From and Give to the SeaAs long as we have been on earth,we have used the sea arou...

[多选题]共用题干 A Country's Standard of LivingThe"standard of living"of any country means the average person's ...

[单选题]The high-speed trains can have a major impact on our lives.

[多选题]共用题干 Operatunity1 Operatunity is a TV talent show for amateur opera singers.The winners get the chan...