________ 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
The doctor told Sara to ____ on smoking but she just couldn’t.
#12763
A
take down
B
set down
C
cut down
D
turn down
Obama’s success in presidential election proves that the color of one’s skin shouldn’t be a________to success.
#10975
A
barrier
B
behavior
C
battle
D
bunch
She _____ get angry when others disagree with her.
#14003
A
contributes to
B
leads to
C
tends to
D
appeals to
- The speaker is a tall man with glasses. - Then it_____ be Mr. Smith, who is short and thin.
#10941
A
wouldn't
B
won't
C
mustn't
D
can't
My first ________ of him was that he was a kind and thoughtful young man.
#12040
A
expression
B
attention
C
satisfaction
D
impression