og-150\52的共同困惑

killer34888

150.In the mid-1960’s a newly installed radar warning system mistook the rising of the moon as a massive missile attack by the Soviets.
(A) rising of the moon as a massive missile attack by the Soviets
(B) rising of the moon for a massive Soviet missile attack
(C) moon rising to a massive missile attack by the Soviets
(D) moon as it was rising for a massive Soviet missile attack
(E) rise of the moon as a massive Soviet missile attack
OG解释：Choice E also employs the nonidiomatic rise of the moon.

52.The rising of costs of data-processing operations at many financial institutions has created a growing opportunity for independent companies to provide these services more efficiently and at lower cost.
(A) The rising of costs
(B) Rising costs
(C) The rising cost
(D) Because the rising cost
(E) Because of rising costs
OG解释：In choice A, The rising of costs is unidiomatic,

og中说，The rising of costs is unidiomatic,可在150中，它又选择a而表示e

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