光伏补贴政策红头文件:高中英语题32

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to keep the patient____during the operation,four needles were used.
a.from feeling pain d.from feeling painful
为什么选a阿 具体点

1、keep sth. from doing sth.

2、辨析pain & painful
pain n.[U]
(肉体上的)疼,痛
eg:
be in (great) pain
feel (some/no/not much/a lot of) pain
此处feel作“感觉到,体验到”解(单独feel后可接形容词,如feel afraid/sad,也可接名词,如feel pain)
feel pain即为“感觉到痛觉”之意

painful adj.
一般有两种意义与常用用法:
(1)用作定语时表意为:疼痛的,痛苦的
eg: a painful experience/memory
(2)用作表语时表意为:使人痛苦/难受的
eg: Her performance is painful(ie. is bad).
此处作表语,意义不合适

feel后面直接加名词pain

feel some [no, not much] pain
感到有些痛[不痛, 不太痛]

keep...from词组阻止, 隐瞒, 抑制
from prep 动词用ing
feelvt.
摸, 触, 试探, 感觉, 觉得, 触摸, 以为
vi.
有知觉, (人)有某种感觉, 摸索, 同情
n.
感觉, 觉得, 触摸
显然这里是vt
pain
n.
痛苦, 疼, 痛, 劳苦, 努力
vt.
使痛苦
vt后加宾语不加adj