When you do exercises, your heart works better. It is able to______ more blood while beating more slowly.
#84315
A
produce
B
pump
C
increase
D
bump
推荐题目
---What are you reading, Tom? --- I’m not really reading, just _____ the pages.
#68555
A
turning off
B
turning around
C
turning over
D
turning up
Hard work ______ success while failure often ______ laziness.
#70899
A
lies in; leads to
B
leads to; lies in
C
leads to; depends on
D
depends on; leads to