Whats the authors opinion on what to do about alien species?
A.Who should make such decisions is open to doubt.
B.The decisions should be based on scientists" conclusions.
C.Decision-making should involve more people other than scientists.
D.It is morally unacceptable to eradicate all alien species.
第1题
What does the word "xenophobia" (Line 3, Para. 2) mean?
A.The ecological disorders.
B.The passion to save the endangered ecosystem.
C.The ecological imperialism.
D.The fear for alien species.
第2题
The______in Janets character has hindered her from advancement in her career.
A.defect
B.merit
C.error
D.deficient
第3题
Meryl Streep won her third Oscar by her role of
A.an elderly widower.
B.former British Prime Minister.
C.an African American maid.
D.a struggling silent-era movie star.
第4题
Which film won the best picture at the 84th Oscar awards?
A.The Artist.
B.The Iron Lady.
C.Beginners.
D.The Help.
第5题
What was the serious problem after the cane toads arrival in Australia?
A.The cane toads did not eat the cane beetles.
B.The number of the cane toads had swollen.
C.There was another outbreak of the cane beetles.
D.The cane toads killed all the cane beetles.
第6题
Why did the farmers become desperate in the mid 30s?
A.Their houses were destroyed by cane beetles.
B.Cane beetles dropped their eggs onto the ground around the base of the plant.
C.Cane beetles killed all their livelihood.
D.Their sugar cane plants were ruined by overwhelming beetles.
第7题
Why did the sugar cane farmers bring cane toads to Australia?
A.To enrich the variety of species.
B.To deal with cane beetles.
C.To balance the>eco-system.
D.To strengthen the food chain.
第8题
Which of the following is true according to the passage?
A.Americans shake their hands when first introduced to new people.
B.Americans usually shake hands while parting.
C.Social kissing is not acceptable between two women in America.
D.Americans call each other"s name when greeting.
第9题
ess world?
A.The older person is first introduced.
B.The female is first introduced.
C.The person more familiar to him is first introduced.
D.The person less familiar to him is first introduced.
第10题
What is the passage mainly about?
A.Steps to introduce yourself in America.
B.Greetings and introductions in America.
C.Introductions in the business world.
D.Table manner in America.
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