水润滑尾轴承可采用（）材料生产。
A．工程塑料
B．合成橡胶
C．玻璃钢
D．陶瓷
参考答案：B
His throat was so painful that he could hardly________anything.[ ]
A. absorb
B. swallow
C. choke
D. allow
某些特色突出或极其个性化的饭店，若自身条件与本标准规定的条件有所区别，应按属地原则逐级递交申请材料。
that he could hardly________anything.[ ]