超星 - unit8.4 maintaining a sharp eye- exercise3.xls - 查题吧

单选题

Do we appreciate our body’s nonstop efforts to _____ smoothly?

A. function
B. abuse
C. do
D. doing

单选题

Its ability to self-repair and _____ to good care is incredible!

A. responsive
B. response
C. respond
D. responded

单选题

I was annoyed when a ____ problem, such as cold or injury, kept me from doing what I want.

A. physical
B. physics
C. mental
D. math

单选题

My overeating and lazy lifestyle had a ______ impact on my life.

A. sensational
B. positive
C. negative
D. excellent

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