5. 无( )

A. 　Save them for a better price.

B. 　Give them to a charity.

C. 　 Recycle them.

D. 　 Chuck (扔掉)them away.

A. 　 The man＇s growing hobbies.

B. 　 The man＇s two sisters at college.

C. 　 The man＇s application for college.

D. 　 The man＇s grades in high school.

A. 　 She woke up with a British accent after a jaw surgery (正颌手术).

B. 　 She can tell a story in three differert foreign languages.

C. 　 She feels more comfortable with a British accent.

D. 　 She had her abilitly to speak recovered surgically.

A. 　 Because there are only half a million elephants in Africa.

B. 　 Because the elephant population in Asia has declined .

C. 　 Because it can save over 20,000 elephants a year.

D. 　 Because lt will help preserve endangered(濒危的) elephants.

A. 　 China is the largest market for valuable commodities.

B. China has built the largest market in the world.

C. 　 China will forbid ivory (象牙) trade by the end of 2017.

D. 　 China sells about seventy percent of the world＇s ivory.

A. 　A dog.

B. 　 A stranger.

C. 　A blue car.

D. 　 A red car.

A. 　 They misunderstand each other

B. 　 They lie to each other.

C. 　 They trust each other.

D. 　 They hate each other.

A. 　Because zoos often take good care of the animals.

B. 　Because the animals have to stay in cages there.

C. 　Because Zoosoften rescue some wild animals.

D. 　 Because they cannot survive on their own in the wild.

A. 　Toddler (幼儿)speech development.

B. 　 Music for parents.

C. 　 Eager parents.

D. 　 Children＇s first words.

A. 　Most of them prefer to study in private schools.

B. 　 Most of them are younger than other foreign students.

C. 　 Most of them attend graduate school.

D. 　 Most of them are in undergraduate programs.