问题:
A、Seventy percent.B、Thirty percent.C、Forty-five percent.D、Twenty-five percent.
问题:
A、There were 1 0 million cancer patients worldwide in 2000.B、Generally,cancer accounted for 12% of all deaths in 2000.C、Cancer is the cause of over 25...
问题:
A、double that in developing countries.B、much higher than that in developing countries.C、the same as that in developing countries.D、much lower than tha...
问题:
A、an incurable disease.B、a mysterious disease.C、a"Western"disease.D、a world disease.
问题:
A、occupational carcinogens.B、lack of access to tobacco.C、unhealthy habits.D、aging populations.
问题:
A、50% of new cancers.B、33% of new cancers.C、12% of new cancers.D、80% of new cancers.
问题:
A、a medical research center. B、a space station.C、a space ambulance. D、a passenger plane.
问题:
A、be awarded to the scientists working at NASB、C、be shared by the two projects under the Space Launch Initiative.D、be spent on the investigation of th...
问题:
A、control the International Space Station.B、carry astronauts to the International Space Station.C、transport equipment to the International Space Stati...
问题:
A、the great pressure from Congress on NASB、C、a heavy defeat for NASD、
问题:
A、One year before the Columbia disaster.B、One year after the Columbia disaster.C、Immediately after the Columbia disaster.D、Years before the Columbia d...
问题:
A、Because their mothers had not taught them.B、Because they were influenced by feminism and consumerism.C、Because they were feminists.D、Because they we...
问题:
A、when she went to school.B、when she went hiking.C、when she celebrated Christmas.D、when she went skating.
问题:
A、To save money.B、To save time.C、To enrich her life.D、To show her love for the family.
问题:
A、give up.B、speed up.C、slow down.D、build up.