单项选择题

为减少摩擦，所有的肌腱均有腱鞘包裹。（）

A.正确
B.错误

你可能感兴趣的试题

重复的手法过于呆板,只能用于比较严肃的场合。

答案：正确

单项选择题

Traditionally, Americans do not want to have a strong federal government because__________.
A、they are afraid of their political leaders
B、they are afraid it will put limits on their individual freedom
C、they think that state governments should be given supreme power
D、they think a weak federal government is more efficient