The study by the American Management Association showed that
A.information on a public computer is not confidential.
B.people should try to prevent themselves from being spied.
C.using computers at work might pose a threat to privacy.
D.employees should stop their electronic behavior. unrelated to work.
第1题
Xora is a software program used to
A.improve management expertise of administrators.
B.familiarize people with the investigated person.
C.pinpoint people"s location and whereabouts.
D.combat GPS in surveillance technology.
第2题
Scott McDonald fired one of his employees because the employee
A.didn"t accomplish his job well.
B.drove too fast.
C.covered up his illness.
D.cheated when he asked for leave.
第3题
What can we infer from the last paragraph?
A.General relativity is actually ungrounded at all.
B.The calculation of the orbits shows that equivalence principle is violated.
C.More should be done to prove the correctness of equivalence principle.
D.A new revolution in physics has already arrived.
第4题
Tom Murphy and his colleagues fire laser beams at reflectors on the moon with the aim to
A.measure the distance between the moon and the Earth.
B.calculate the speed of light.
C.check how long it takes light to cross it.
D.prove the equivalence principle more accurately.
第5题
Galileo Galileis experiment at the Tower of Pisa around 400 years ago
A.was one way of testing Einstein"s general theory of gravity.
B.illustrated the insignificance of mass and composition of an object.
C.acted as a well-known example to testify the equivalence principle.
D.showed that all objects on Earth Were influenced by gravity.
第6题
Scientists present at the "Rethinking Gravity" conference
A.unanimously believe that Einstein"s general theory of relativity is wrong.
B.have found further problems about the general theory of relativity.
C.question the assumptions of the general theory of relativity.
D.are trying to find out the possible flaws of the gravity theory.
第7题
It is stated in Paragraph 1 that the theory of relativity
A.is beyond all the current scientists" understanding.
B.has failed Albert Einstein for years.
C.seems at odds with the quantum mechanics.
D.is useful in holding big things together.
第8题
The "dark side"(Line 1, Paragraph 5)implies that modern agriculture will
A.have a great impact on the U.S. economy development.
B.lead to ecology pollution, if improperly controlled.
C.have to decrease the soil erosion.
D.change the DNA of conventional species.
第9题
The sharp decrease of soil erosion in 1982 resulted from
A.the education of the USDA on farming technology.
B.the practices of environmental protection on farming.
C.the prevention of water runoff in the two large areas.
D.the protection of plant residues around the whole year.
第10题
Modem agriculture is criticized as unsustainable because
A.it promotes the erosion of topsoil.
B.it cannot provide a long-term planning.
C.300 years is not long enough for the development.
D.the lost topsoil is irreplaceable.
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