________ have an internal clock that controls the beating of our heart, and the ________ of our breathing.
#11165
A
Human being; steps
B
Humans; pace
C
Human beings; steps
D
Man; pace
推荐题目
Our son doesn’t know what to ______ at the university；he can’t make up his mind about his future.
#12937
A
take in
B
take up
C
take over
D
take after
—Can I help you with it?. —I appreciate your _____, but I can manage it myself.
#10937
A
advice
B
question
C
offer
D
idea
In modern times, people are facing all kinds of _____ although they are leading a comfortable life.
#12922
A
pressures
B
opinions
C
characters
D
stress
(2013·江苏，33)With inspiration from other food cultures，American food culture can take a________for the better.
#11489
A
share
B
chance
C
turn
D
lead