Which of the following statement is true？

Which of the following statement is true? 查看材料

A.Designing babies may cause ethical concerns.

B.Designing babies is purely scientific and will not cause ethical problems.

C.The prospect of designing babies has already led to strong criticism from various communities.

D.People are concerned about the possible harm done to science by designing babies.

A、Most of his plays are called problem plays.

B、He is the greatest romanticist in the 18th century.

C、He is a spokesman for aestheticism.

D、He has his national pride and his hatred for English oppression.

Which of the following statement is true about techno nationalism?

A．Its definition has been in a constant change.

B．It is tied up with innovation in a wide sense.

C．It advocates developing self-owned high technology.

D．It leads to a conflict between Europe and America.

A、Paradise was published in 1989.

B、Paradise is nonfiction.

C、Paradise deals with a fictional African-American town called Ruby.

D、Paradise shows that isolation from the rest of the world could guarantee freedom from oppression or exclusion.

Which of the following statement is true?

A．Humans do not have adequate knowledge about animal languages.

B．We are now very much aware of animal languages.

C．Most of animals use their facial expressions,

D．All animals make sounds to communicate with each other.

Which of the following statement is true?

A．Deficit may lead government to reduce interest rate.

B．Deficit may lead government to raise expenditure on imports.

C．Surplus may lead government to stimulate imports from foreign countries.

D．Surplus may lead government to reduce expenditure on imports.

Which of the following statement is true?

A．Humans do not have adequate knowledge about animal languages.

B．We are now very much aware of animal languages.

C．Most of animals use their facial expressions.

D．All animals make sounds to communicate with each other.

Which of the following statement is true?

A．Humans do not have adequate knowledge about animal languages.

B．We are now very much aware of animal languages.

C．Most of animals use their facial expressions.

D．All animals make sounds to communicate with each other.

Which of the following statement is true according to the first two paragraphs?

A．The trend toward rootlessness has speeded up spatial mobility.

B．Economic recessions have accelerated American's settledness.

C．The lack of employment opportunities has slowed down the stay-at-home trend.

D．The current recession has led to an increase in the number of stay-at-home aging boomers.