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

Slow twitch fibers are more enduring than fast twitch fibers

S-glass fibers have higher strength than E-glass fibers A: 正确 B: 错误

Nylon fibers last longer and are stronger than natural fibers _______ silk or cotton. A: A.such as B: B.as regards C: C.as well as D: D.as such

Modern concrete blends are reinforced with steel fibers and __________ for strength and to prevent cracking.( ) A: water reducing fibers B: water condesation polymers C: water tower D: water reducing polymers

​丝绸时髦了，人造纤维过时了。‌ A: Silk is voguish and synthetic fibers are out. B: Silk has become voguish, synthetic fibers have become outdated. C: / D: /

‌S-glass fibers have higher strength than E-glass fibers.​

A. Several dietary fibers including cellulose reduce blood cholesterol levels</p></p><p><p>B. Soluble fibers hold moisture in stools and may prevent constipation</p></p>

A sprinter needs more fast twitch fibers to pick up pace.

Which is not the function of the matrix in a fiber-reinforced composite? ____ A: Is the principal load-carrying member B: Keeps fibers in the desired location and orientation C: Acts as a load transfer medium D: Protects fibers from environmental and processing damages.