Medpor材料行耳再造，最常见的术后并发症是（）
A.疼痛
B.材料外露
C.材料变形
D.听力受损
E.材料移位
参考答案：B
用所给单词的正确形式填空。
1. Yesterday he didn't feel well and _________ (lie) on bed for a whole day.
2. Lisa is preparing for the ______ (finally) exam in her bedroom.
3. We are all surprised at his _______ (suddenly) change of mind.
4. Listen! Jerry's dogs start ______ (bark) again.
5. When I went out of the classroom, I _______ (lock) the door.
1860年，共和党候选人林肯高票当选美国总统。当时，支持者对林肯寄予的厚望是（ ）
A．废除黑奴制度
B．对外侵略扩张
C．消除经济危机
D．摆脱英国统治
