更多"Scientists believe that human evolu"的相关试题:
[单项选择]Scientists believe that human evolution ______.
A. has seldom been accompanied by climatic changes
B. has exerted little influence on climatic changes
C. has largely been effected by climatic changes
D. has had a major impact on climatic changes
[单项选择]Medical scientists believe that
A. tests have been designed to settle the cholesterol dispute
B. drugs have been tested to reduce the amount of the substance in blood
C. low cholesterol foods or anti-cholesterol drugs or both can reduce the chance of a heart attack
D. none of the statements mentioned above is correct
[单项选择]Political scientists believe that the important cause for decreasing voter turnout is ______.
A. the inconvenience of voting
B. the commercialization of the voting procedures
C. the lack of interest and enthusiasm in politics
D. the insecurity of voting on line due to the constant breakdown of computer systems
[单项选择]Some scientists believe that there is no evidence that cholestrol in food is directly linked to ______.
A. blood disease
B. heart disease
C. infectious disease
D. mental disorder
[单项选择]Some scientists believe that a breakthrough in the use of solar energy depends on _________.
A. advanced technology
B. further experiments
C. sufficient funding
D. well-equipped laboratories
[单项选择]Some scientists believe that dolphins have a language of their own.
[单项选择]Some scientists believe that global warming could( ).
A. modify ocean currents.
B. change wind directions in the polar regions.
C. reduce the influence of currents.
D. increase wind speed.
[单项选择]Scientists and economists (believe) that human being (can never) (use away) all the (mineral) resources on Earth.
A. believe
B. can never
C. use away
D. mineral
[单项选择]Some scientists believe that_________.
A. watching animals to anticipate earthquakes is more effective than depending on seismographs
B. the unusual behavior of animals can not be trusted
C. neither watching nor using seismographs is reliable
D. earthquakes can not affect any animals
[单项选择]Most scientists believe it is ______ to use animals in medical research.
A. legitimate
B. explicit
C. edible
D. illiterate
[单项选择]Many scientists believe ________ as a result of a collision between the newly formed Earth and a large asteroid.
A. that the Moon was formed
B. in that the Moon was formed
C. that the Moon formed was
D. when the Moon war formed
[单项选择]Scientists figured out that human bodies are basically made of ______.
A. hydrogen, carbon, nitrogen, and oxygen atoms
B. water vapor, ammonia, carbon dioxide, methane and hydrogen
C. biomolecules and water
D. evolutionary molecules
[单项选择]The knowledge scientists now possess about human brain differs ______ from the theories of ancient times.
A. greatly
B. largely
C. mainly
D. basically
[单项选择]Although scientists have long ------- the human appendix as ------- organ, there is a growing body of evidence indicating that the appendix does in fact have a significant function as a part of the body's immune system.
A. (A) overestimated ... a minor
B. (B) discounted ... a vestigial
C. (C) valued ... a major
D. (D) ignored ... a pivotal
E. (E) studied ... an inaccessible
[单项选择]Scientists are eager to talk with other scientists working on similar problem.
A. 科学家热衷于与从事类似课题研究的其他科学家交流。
B. 科学家更容易与其他科学家谈话来解决相同的问题。
C. 科学家很乐意在解决类似问题时同其他科学家交流。
D. 科学家更容易就雷同的问题与其他科学家交谈。