上牙槽后神经阻滞麻醉后出现患侧面部肿胀的可能原因是
A．感染B．炎症C．注射过量D．麻醉药过敏E．翼静脉丛损伤
参考答案：E
一个模块直接调用的其他模块个数称为______。
用括号内所给动词的适当形式填空。
1. The twins ________ (be) at school yesterday.
2. Look! The dog ________ (lie) on the sofa.
3. I like playing football. That makes me ________ (feel) happy.
4. Would you like ________ (play) tennis with me?
5. I went to a supermarket yesterday and found a little girl ________ (cry)
in the corner because she couldn't find her mother.
