题目内容

Thescienceofmedicine,______progresshasbeenveryrapidlately,isperhapsthemostimportantofallthesciences.

A. to which
B. in which
C. which
D. with which

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Leecontributedfiftydollars,buthewisheshecouldcontribute______.

A. one other fifty dollars
B. the same amount also
C. another fifty
D. more fifty dollars

Myfrienddoesonethingonedayandjustthe______thenext.Hisbehaviorisinconsistent.

A. other
B. alternative
C. negative
D. opposite

Theydidconsiderableworkto______themassesoftheUnitedStateswiththeelementaryproblemofLatinAmerica.

A. instruct
B. acquaint
C. devote
D. impart

Ifelttiredoftheperformanceandwasabouttoleave,______somethingoccurredwhichattractedmyattention.

A. unless
B. while
C. when
D. until

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