2016年托福语法解析：不定冠词的遗漏

　　2016年托福语法解析：不定冠词的遗漏

　　① 固定短语中a的遗漏

　　a set of / a variety of / a series of / a collection of / a wide range of / a group of + [C]

　　a piece of/ a wealth of很多的 + [UC]

　　例题：

　　A march is (highly) rhythmic piece of music (first) used (by military) bands (to accompany) marching.

　　答案: A highlyàa highly

　　An oak trunk (extended) family consists (of core) group of males, their (wives), (and) their unmarried daughters.

　　答案: B of coreàof a core

　　(Because of its) maneuverability可操作性 and ability (to land) and take off in (small areas), the helicopter is used (in wide) range of services.

　　答案: D in wideàin a wide

　　② 单数可数名词前必须有限定词(指示代词，人称代词，不定代词，冠词，所有格)，不能裸体

　　限定词：冠词;形容词性物主代词;所有格;指示代词;不定代词

　　eg: it is a/his/Tom’s/that/some very good book.

　　I have book(×) / books(√)/ time (√) 复数和不可数可以

　　※ prep+单数可数名词 错

　　例题：

　　18. (Today), fifty (years after) its construction, the Alaska Highway (conveys) 40,000 vehicles (in normal) year.

　　答案: D in normalàin a normal

　　19. (The hardness) (of mineral) often (gives) a clue to (its) identity.

　　答案: B of mineralàof a mineral

　　36. The (actor) James Earl Jones (gained) Broadway stardom in “The Great White Hope” for his (powerful) portrayal (of prizefighter).

　　答案: D of prizefighteràof a prizefighter职业拳击手

　　38. Large, multicolored insects (with) four wings, dragonflies (play) a very important role in the ecosystem of humid (area) by (controlling) the population of mosquitoes.

　　答案: C areaàareas

　　40. In 1889 Jane Addams, a social worker in Chicago, founded Hull House, an (institution) (devoted) to the (improvement) of community life in poor (neighborhood).

　　答案: D neighborhoodàneighborhoods

　　17. By (identifying) similar words or structures in different languages, we find evidence (that those) languages are related (and may be) derived (from same) ancestor.

　　答案: D from sameàfrom the same

　　※ v+单数可数名词 错 缺限定词

　　18. In the 1930’s (few) major orchestras in the United States hired (woman), so many chose (to perform) in ‘amateur musical groups (as an alternative).

　　答案: B womanàwomen

　　19. (Meridians) of longitude and parallels of latitude (form grid格子) that can be used (to locate) the position of (any) point on the Earth’s surface.

　　答案: B form gridàform grids

　　15. Electric motors (range) in size from (the tiny) mechanisms that operate (sewing machine) to the great engines in (heavy locomotives).

　　答案: C sewing machineàsewing machines