商业托福TOEFL词汇题精选单词题

relaxed sense of phrasing that also emphasizes the underlying rhythms。

The word "consciously" is closest in meaning to which of following？

（A） carelessly

（B） easily

（C） periodically

（D） purposely

Not all jazz is hot， however； many early bands played unadorned published arrangements of popular songs。

The word "unadorned" is closest in meaning to which of following？

（A） lovely

（B） plain

（C） disorganized

（D） inexpensive

The tight arrangement enabled the Mandans to protect themselves more easily from the attacks of others who might seek to obtain some of the food these highly capable farmers stored from one years to the next。

The word "enabled" is closest in meaning to which of following？

（A） covered

（B） reminded

（C） helped

（D） isolated

They had to exercise considerable skill to produce the desired results， for their northern location meant fleeting growing seasons。

The word "considerable" is closest in meaning to which of following？

（A） planning

（B） much

（C） physical

（D） new

This green corn was boiled， dried， and shelled， with some of the maize slated for immediate consumption and the rest stored in animal—skin bags。

The word "consumption" is closest in meaning to which of following？

（A） decay

（B） planting

（C） eating

（D） conversion

With appropriate banking of the extrafood， the Mandans protected themselves against the disaster of crop failure and accompanying hunger。

The word "disaster" is closest in meaning to which of following？

（A） control

（B） catastrophe

（C） avoidance

（D） history

Helium nuclei have also been found to be constituents of cosmic rays that fall on the earth （cosmic "rays" are not really a form of radiation； they consist of rapidly moving particles of numerous different kinds） 。

The word "constituents" is closest in meaning to which of following？

（A） relatives

（B） causes

（C） components

（D） targets

Its relative abundance never seems to varymuch。 In some places， there may be slightly more of it； in others， slightly less， but the ratio of helium to hydrogen nucleial ways remains about the same。

The word "vary" is closest in meaning to which of following？

（A） mean

（B） stretch

（C） change

（D） include

However， the amount of helium that could have been produced in this manner can be calculated， and it turns out to be no more than a few percent。

The word "calculated" is closest in meaning to which of following？

（A） ignored

（B） converted

（C） increased

（D） determined

By the time the universe was a few minutes old， helium production has effectively ceased。

The word "ceased" is closest in meaning to which of following？

（A） extended

（B） performed

（C） taken hold

（D） stopped