高模量碳纤维片材的（）较高，但其伸长率较低。
A.抗压强度
B.弹性模量
C.抗拉强度
D.抗剪强度
参考答案：B
I hear with my ________.[ ]
A. ears
B. eyes
C. hand
---Sixteen-year-olds can drive their cars to school?
---No. They shouldn’t ______ to drive their cars to school because are not serious enough.
A．allow
B．allowed
C．Be allowed
D．Have allowed
