单项选择题

A sound can change because of the influence of an adjacent sound. This is known as assimilation. Which of the following words is an instance of assimilation().

A. Impossible.
B. Illegal.
C. Inconsiderate.
D. Irrevocable.

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单项选择题

The first permanent English settlement in America was established at().

A. Sagadahoc.
B. Jamestown.
C. Chesapeake Bay.
D. Island of Roanoke.

单项选择题

Girls flinch back in the competition with boys most probably because().

A. they are short of confidence in themselves.
B. employers often prefer boys to take technical jobs.
C. they have poorer performance in technical jobs.
D. they are willing to leave technical jobs to boys.