Solid geometry has enabled astronomers...

单项选择题

At first, the ______of color pictures over a long distance seemed impossible, but, with painstaking efforts and at great expense, it became a reality.

A．transaction
B．transmission
C．transformation
D．transition

单项选择题

Programmed instruction received its major impetus from the work of behaviorist J. H. Skinner, who after years of research,______ a practical system in 1954.

A．described
B．derived
C．imitated
D．devised

单项选择题

Young scientists cannot realize______ soon that existing scientific knowledge is not nearly so complete, certain and unalterable as many textbooks seems to imply.

A．so
B．very
C．too
D．such

单项选择题

France's______ of nuclear testing in the South Pacific last month triggered political debates and mass demonstrations.

A．assumption
B．consumption
C．presumption
D．resumption

单项选择题

I spent the next two years investigating the very questions______ by him.

A．posed
B．held
C．put
D．set

单项选择题

In this area, the amount of money spent on health care for animals will______ the amount spent on human health care in just 10 years.

A．equal
B．equal to
C．equivalent
D．equality

单项选择题

Slowly, without trying to defend himself, the buffalo sank to his knees and, with one lion______ his throat and another his muzzle, died of suffocation.

A．hold
B．held
C．holding
D．being held

单项选择题

In the Unites States, it is required that all children______ school, public or private, for 12 years

A．must attend
B．need attend
C．should attend
D．ought to attend

单项选择题

When her report came, she found that she had received three "D' s" and two "C' s". Soon she began to recall some of the errors she______ on her test.

A．should have made
B．might have made
C．would have made
D．could make

单项选择题

The teacher asked a very difficult question, but finally Ted______ a satisfactory answer.

A．came with
B．came up
C．came up with
D．came up for

单项选择题

Because the supply of natural gas was plentiful______ other choices like coal and fuel oil, many people use it for heating and cooking.

A．on contrary
B．in comparison to
C．in contrast
D．comparatively

单项选择题

Work in parapsychology,______, has attracted a relatively small number of scientists.

A．is a very controversial field
B．which a very controversial field is
C．a very controversial field
D．a field very controversial which

单项选择题

After discussing the matter with the bank manager, Peter ______received his loan.

A．instantly
B．instinctively
C．casually
D．unexpectedly

单项选择题

Solid geometry has enabled astronomers to calculate the positions of the heavenly bodies______ to one another.

A．absolute
B．relative
C．comparative
D．contrastive

单项选择题

The lawyer thought that piece of evidence was______ early in the investigation, but it turned out to be vital in convicting the criminal.

A．satisfactory
B．insignificant
C．unalterable
D．important

单项选择题

Certain pine trees are deliberately dwarfed for______ purposes.

A．constructive
B．dimensions
C．ornamental
D．decorated

单项选择题

______ by the thought that she was having a heart attack, she screams for help.

A．Terrifying
B．Terrified
C．Being terrified
D．Having terrified

单项选择题

To plot Shakespeare's life is to become involved in a kind of detective story______ there are plenty of clues but very little else.

A．where
B．which
C．from which
D．when

单项选择题

Cargoes arrive by road vehicle or by train at a main storage park,______ out with a grid on the ground for the containers.

A．noted
B．impressed
C．marked
D．labeled

单项选择题

The newly free people adopt democratic forms of government______ all the goodies they see on TV will materialize instantly.

A．in order that
B．in case
C．in the belief that
D．even though

单项选择题

For centuries, until the first Americans reached the moon, men speculated as to______.

A．What looked like the satellite' s other side
B．what the satellite' s other side looks like
C．what did the satellite' s other side look like
D．what the satellite' s other side looks like

单项选择题

When preparing elementary school test, care should be taken______.

A．not to make the vocabulary more difficult than necessary
B．not to make the vocabulary that difficult
C．so as to not make the vocabulary part too hard
D．in not making the vocabulary a problem in terms of it difficulty

单项选择题

Doctors see a connection between increase amounts of leisure time spent______ and the increased number of cases of skin cancer.

A．to sunbathe
B．to have sunbathed
C．having sunbathed
D．sunbathing

单项选择题

The foreign student advisor recommended that she______ more English before enrolling at the university.

A．studied
B．study
C．would study
D．was studying

单项选择题

He spoke so______ that even his opponents were won over by his arguments.

A．bluntly
B．convincingly
C．emphatically
D．determinedly

单项选择题

Talk to anyone in the drug industry,______ you'll soon discover that the science of genetics is the biggest firing to hit drug research since penicillin was discovered.

A．or
B．and
C．for
D．so

单项选择题

The supply of copper in the mines had______, causing great concerns among the people of the town.

A．increased
B．diminished
C．extended
D．devalued

单项选择题

Though science is often imagined as a disinterested subject, scientists are no different from anyone else: they are ______ human beings enmeshed (陷入:卷入) in a web of personal and social circumstances.

A．vulnerable
B．rational
C．careless
D．passionate

单项选择题

The American society is______ an exceedingly shaky foundation of natural resources, which is connected with the possibility of a worsening environment.

A．established on
B．affiliated to
C．originated from
D．incorporated with

单项选择题

The barrier of language keeps many scientists in prolonged ignorance of work of immediate importance to them ______at present in many countries.

A．doing
B．to be done
C．having done
D．being done

Solid geometry has enabled astronomers to calculate the positions of the heavenly bodies______ to one another.

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At first, the ______of color pictures over a long distance seemed impossible, but, with painstaking efforts and at great expense, it became a reality.

Programmed instruction received its major impetus from the work of behaviorist J. H. Skinner, who after years of research,______ a practical system in 1954.

Young scientists cannot realize______ soon that existing scientific knowledge is not nearly so complete, certain and unalterable as many textbooks seems to imply.

France's______ of nuclear testing in the South Pacific last month triggered political debates and mass demonstrations.

I spent the next two years investigating the very questions______ by him.

In this area, the amount of money spent on health care for animals will______ the amount spent on human health care in just 10 years.

Slowly, without trying to defend himself, the buffalo sank to his knees and, with one lion______ his throat and another his muzzle, died of suffocation.

In the Unites States, it is required that all children______ school, public or private, for 12 years

When her report came, she found that she had received three "D' s" and two "C' s". Soon she began to recall some of the errors she______ on her test.

The teacher asked a very difficult question, but finally Ted______ a satisfactory answer.

Because the supply of natural gas was plentiful______ other choices like coal and fuel oil, many people use it for heating and cooking.

Work in parapsychology,______, has attracted a relatively small number of scientists.

After discussing the matter with the bank manager, Peter ______received his loan.

Solid geometry has enabled astronomers to calculate the positions of the heavenly bodies______ to one another.

The lawyer thought that piece of evidence was______ early in the investigation, but it turned out to be vital in convicting the criminal.

Certain pine trees are deliberately dwarfed for______ purposes.

______ by the thought that she was having a heart attack, she screams for help.

To plot Shakespeare's life is to become involved in a kind of detective story______ there are plenty of clues but very little else.

Cargoes arrive by road vehicle or by train at a main storage park,______ out with a grid on the ground for the containers.

The newly free people adopt democratic forms of government______ all the goodies they see on TV will materialize instantly.

For centuries, until the first Americans reached the moon, men speculated as to______.

When preparing elementary school test, care should be taken______.

Doctors see a connection between increase amounts of leisure time spent______ and the increased number of cases of skin cancer.

The foreign student advisor recommended that she______ more English before enrolling at the university.

He spoke so______ that even his opponents were won over by his arguments.

Talk to anyone in the drug industry,______ you'll soon discover that the science of genetics is the biggest firing to hit drug research since penicillin was discovered.

The supply of copper in the mines had______, causing great concerns among the people of the town.

Though science is often imagined as a disinterested subject, scientists are no different from anyone else: they are ______ human beings enmeshed (陷入:卷入) in a web of personal and social circumstances.

The American society is______ an exceedingly shaky foundation of natural resources, which is connected with the possibility of a worsening environment.

The barrier of language keeps many scientists in prolonged ignorance of work of immediate importance to them ______at present in many countries.