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      A star will compress itself into a white dwarf, a neutron star, or a black hole after it passes through a red giant stage, depending on mass.

          (A) A star will compress itself into a white dwarf, a neutron star, or a black hole after it passes through a red giant stage, depending on mass.

(B) After passing through a red giant stage, depending on its mass, a star will compress itself into a white dwarf, a neutron star, or a black hole.

(C) After passing through a red giant stage, a star’s mass will determine if it compresses itself into a white dwarf, a neutron star, or a black hole.

(D) Mass determines whether a star, after passing through the red giant stage, will compress itself into a white dwarf, a neutron star, or a black hole.（D）

(E) The mass of a star, after passing through the red giant stage, will determine whether it compresses itself into a white dwarf, a neutron star, or a black hole.

A选项是否是因为最后一个DEPENDING就近修饰

       According to a survey of graduating medical students conducted by the Association of American Medical Colleges, minority graduates are nearly four times more likely than are other graduates in planning to practice in socioeconomically deprived areas.

(A) minority graduates are nearly four times more likely than are other graduates in planning to practice

(B) minority graduates are nearly four times more likely than other graduates who plan on practicing

(C) minority graduates are nearly four times as likely as other graduates to plan on practicing

(D) it is nearly four times more likely that minority graduates rather than other graduates will plan to practice（C）

(E) it is nearly four times as likely for minority graduates than other graduates to plan to practice

A是否是因为IN PLANING应为TO PLAN

        Added to the increase in hourly wages requested last July, the railroad employees are now seeking an expanded program of retirement benefits.

(A) Added to the increase in hourly wages requested last July, the railroad employees are now seeking an expanded program of retirement benefits.

(B) Added to the increase in hourly wages which had been requested last July, the employees of the railroad are now seeking an expanded program of retirement benefits.

(C) The railroad employees are now seeking an expanded program of retirement benefits added to the increase in hourly wages that were requested last July.

(D) In addition to the increase in hourly wages that were requested last July, the railroad employees are now seeking an expanded program of retirement benefits.（E）

(E) In addition to the increase in hourly wages requested last July, the employees of the railroad are now seeking an expanded program of retirement benefits.

C为什么不对呢？E里面的IN ADDTION TO.....会不会修饰的EMPLOYEE错误呢

另外只能用EMLOYEE OF THE RAILROAD来表达么

       After a few weeks’ experience, apprentice jewelers can usually begin to discriminate, though not with absolute certainty, genuine diamonds from imitation diamonds.

(A) genuine diamonds from imitation diamonds

(B) genuine diamonds apart from imitations

(C) between genuine diamonds and imitation diamonds

(D) among genuine diamonds and imitation diamonds（C）

(E) whether diamonds are imitation or genuine

THOUGH后面是不是承前省略主谓，然后DISCRIMINATE+BETWEEN....AND..的固定用法呢？

谢谢各位指教了

自己顶一下

期盼解答

A. it 指代不明，depending 逻辑主语不详

A. be likely to do, 不是 be likely in planning

C. benefits added to the increase in wages 表达错误

   that were requested 修饰 benefits 还是 wages?

   E. ok.   railroad employees 可以，如 bus drivers

DISCRIMINATE： to recognize a difference between things [= differentiate]

discriminate between

Newborn babies can discriminate between a man's and a woman's voice.

discriminate something from something

the process of learning to discriminate fact from opinion