单项选择题

It can be inferred from the passage that ______.

A．the energy crisis is similar to the natural disasters we had in the past
B．the problem of energy is the most serious problem our country is confronted with
C．the author is uninterested in the problems of our society
D．the author is particularly worried about the crises we are facing

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相关考题

单项选择题

Which institution has offered $ 4.7 million to fund the research

A．The US's National Institute of Science and Technology.
B．Origen therapeutics of Burlingame, California.
C．Embrex of North Carolina.
D．Animal welfare groups.

单项选择题

Which statement is the best description of the new era of factory farming according to the first paragraph

A．Eggs are all genetically engineered.
B．Thousands of eggs are produced every hour.
C．Cloned chickens are bulk-produced with the same growth rate, weight and taste.
D．Identical eggs can be hatched on the production lines.

单项选择题

Which of the following statements about Origen and Embrex could be inferred from the passage

A．Origen and Embrex will jointly invent machines to increase production.
B．Origen wants to purchase an efficient donor cells injecting machine.
C．Origen has joined hands with Embrex in producing cell-injecting machines.
D．Origen is the leading company in producing embryo-locating machines.