227. Judicial rules in many states require that the identities of all prosecution witnesses are made known to defendants so they can attempt to rebut the testimony (证词(尤指在法庭所作的), 宣言, 陈述), but the Constitution explicitly requires only that the defendant have the opportunity to confront an accuser in court.
(A) that the identities of all prosecution witnesses are made known to defendants so they can attempt to rebut
(B) that the identities of all prosecution witnesses be made known to defendants so that they can attempt to rebut
(C) that the defendants should know the identities of all prosecution witnesses so they can attempt a rebuttal of
(D) the identities of all prosecution witnesses should be made known to defendants so they can attempt rebutting
making known to defendants the identities of all prosecution witnesses so that they can attempt to rebut
有点问题:为什么B中的指代没有问题,我觉得好象指代the defendants和defendants两种可能吗?最近指代吗?我在什么理解上有偏差?
234. The physical structure of the human eye enables it to sense light of wavelengths up to 0.0005 millimeters; infrared radiation, however, is invisible because its wavelength--0.1 millimeters--is too long to be registered by the eye.
(A) infrared radiation, however, is invisible because its wavelength--0.1 millimeters--is too long to be registered by the eye
(B) however, the wavelength of infrared radiation--0.1 millimeters--is top long to be registered by the eye making it invisible
(C) infrared radiation, however, is invisible because its wavelength--0.1 millimeters--is too long for the eye to register it
(D) however, because the wavelength of infrared radiation is 0.1 millimeters, it is too long for the eye to register and thus invisible
however, infrared radiation has a wavelength of 0.1 millimeters that is too long for the eye to register, thus making it invisible
. In C, D, and E the use of the second it is so imprecise as to be confusing(所有CDE中的it都称的上是前后眼的,或者墙头草式的指带,因为前边有两个可供指带的选择,就搞不清除它到底指的是那个。不要考虑某某方讲的那些指带原则,gmat正确选项一般都会有效的消除这些麻烦,以让句子表达的最清晰—傻瓜型句子)
这是笨蛋语法上的解释,我觉得227也有两种可能指代的选择,请高手帮我看看这两题.
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