按钢筋表面的肋型，冷轧带肋钢筋又有（）之别。
A.无肋
B.四面肋
C.三面肋
D.两面肋
参考答案：C, D
When she _____ the newspaper, the baby _____ asleep．
A．read; fell
B．was reading; was falling
C．read; was falling
D．was reading; fell
在内耳门处，和面听神经关系密切的血管是
A．小脑后下动脉B．小脑前下动脉C．小脑上动脉D．大脑后动脉E．后交通动脉
