只接复数名词的限定词
; c* p; e4 f6 |" E: l: n4 | a (large /small /great /considerable /remarkable) number of, a variety of, a set of, a few, 等表示数的固定词组之后总是接复数名词# `, g, t+ D' H
例题:
6 y( b6 i4 G0 a& k; _1 J+ N (1)
E4 \4 A9 |, i7 u In mathematical terms, modern algebra is set of objects with rules for connecting or relating those objects. 4 J2 \4 M* o. X* r' V
应改为: is a set
. `& m! E) J* M- l6 l* ?+ V 解释: a set of是固定词组, 表示一套、一组, 后面接可数名词的复数, 与题中objects吻合
3 l) z! A6 k k5 n* V/ q q' c (2) " x3 ~4 `, ~2 n+ b; J# n
At birth, an infant exhibits a remarkable number of motor response.
) i' P" g; a) N# U0 J& _$ ~ 应改为: responses & h+ G1 _% t8 M% h* w6 p' W' O- I7 \
% y: T! @0 p7 h- Q( w) M! s. B4 ]
解释: 短语a number of 后面要求接可数名词的复数, number前可加某些形容词如great, considerable, remarkable, small 等表示a lot of 或 a few 9 w& Y9 x5 i. q( j
注意 “the number of” 和 “a number of”的区别 2 `' |2 V7 G* M" L8 t# C3 y
The number of boys in Class Five is 25. (五班男孩的数目是25，后面谓语动词用单数)
& z0 g. p5 Q; L A small number of families are able to afford an apartment. (少数家庭能够买得起一套住房, ) |
发表于 2012-8-14 23:32:39
