A sprinter needs more fast twitch fibers to pick up pace.
举一反三
- Slow twitch fibers are more enduring than fast twitch fibers
- More and more foreigners want to ________their companies in China． A: open up B: look up C: clean up D: pick up
- The<br/>main structural features of the wall of the large arteries are:() A: more elastic membrane and cartilage B: more elastic fibers and collagen fibers C: more elastic membrane and elastic fibers D: more elastic fibers and smooth muscle fibers E: more collagen fibers
- When he saw a ticket on the ground， he stopped ________. A: to pick it up B: pick it up C: to pick up it D: pick up it
- My sister is coming to see me tomorrow. I will _______________ at the airport. A: pick her up B: pick him up C: pick she up D: pick he up