牙体硬组织的形成始于（）
A.帽状晚期
B.帽状早期
C.钟状晚期
D.钟状早期
E.帽状中期
参考答案：C
若肿块坚硬如石，高低不平，不能随吞咽上下移动，诊为：
A．气瘿B．肉瘿C．筋瘿D．瘿痈E．石瘿
There were _____many people there _______I wasn’t able to pick her out.
A．such; that
B．very; that
C．such; who
D．so; that
