______ has an internal clock that regulates the beating of our hearts, and the ______ of our breathing.
#13261
A
Mankind; step
B
Human; pace
C
Human being; step
D
Man; pace
推荐题目
Mary had to call a taxi because the box was ________ to carry all the way home.
#12422
A
much too heavy
B
too much heavy
C
heavy too much
D
too heavy much
There is still________ who said he was ________ to reach the top of the mountain besides these two people.
#10673
A
a third one；the first
B
the third one；the first
C
the third one；first
D
third one；first
The newcomer is quite ________ to office work.Why not offer her some practical tips?
#10699
A
familiar
B
fresh
C
similar
D
sensitive
The professor stressed the new medicine would _______ shorten the treatment period from the current days to a minimum of four days.
#10734
A
alternatively
B
effectively
C
actively
D
negatively
—Did you see the film star?—________，I couldn't make it. I was delayed by the traffic.
#10683
A
In fact
B
Luckily
C
Naturally
D
Unfortunately