一端IBAS180设备和一端IBAS110A设备进行混合组网，两网元之间通过DCC的

外界传来的声音引起人耳______的振动，这种振动经过听小骨及其他组织传给听觉神经，听觉神经再把信号传给大脑，这样人就听到了声音．

以下符合皮样囊肿影像学表现的是（）

A.眉弓下皮样囊肿可见颧额缝增宽

B.囊壁厚薄均匀

C.可向鼻窦内生长

D.向颅内发展者常见

E.类圆形骨质缺损

用来加工内螺纹的工具叫（）。

用括号中所给词的适当形式填空 。

l.  —Did you _____ ( have)  a good weekend?

    —Yes, I _____  . I _____ (have) a nice weekend.  I _____ ( go)  to the beach.

2. —What _____ you _____ (do) last Sunday?

    —I _____ (study) for the English test.

3. —_____ (do) you have breakfast yesterday？

    —No, I _____. I_____ (get) up late. I just _____ ( drink) a cup of coffee.  But I _____ ( eat)  a lot for

        lunch.

4. —I went to a movie over the weekend. What about you?

    —I _____ (not do) my homework. I _____ (visit) my grandma.

5. —What did you do yesterday?

    —Yesterday we _____ (play) basketball on the playground. We _____ (be) excited.

癌细胞的形态特征有哪些？