What is the chief advantage of having the engage- ment period（）
A. The two people can learn about each other’s likes and dislikes.
B. The two people can have time to decide if they are a good match.
C. The two people can have time to shop for their new home.
D. The two people can earn enough money for their wedding.
病历摘要：男性，30岁。主诉：右视力下降1个半月，自觉右眼前有黑影，视物发暗变形，无眼红、眼痛史。三年前左眼曾有同样情况，经治疗约一年视力有恢复。最近患者工作紧张。检查：视力右4.6（0.4)，左4.9（0.8)。双外眼未见异常。屈光间质清晰。小瞳眼底检查：双眼视乳头正常，视网膜动脉稍细，静脉正常，右眼黄斑部稍隆起，有黄白色点状物，左眼黄斑部色素紊乱、中心凹光反射暗淡。 提问：本例患者中心暗点出现的原因是什么？（）
A. 右眼黄斑部出血
B. 右眼黄斑部水肿
C. 右眼黄斑部裂孔
D. 右眼黄斑区视网膜神经上皮层脱离
E. 右眼黄斑区视网膜色素上皮层脱离
F. 右眼球后视神经炎
G. 右眼黄斑变性
H. 右眼视杆细胞功能损害
I. 右眼黄斑区视锥细胞功能损害
J. 右眼视网膜神经纤维层束状缺损
教师成长的心理机制是反思—更新。（）
A. 对
B. 错
Section A What does the man mean（）
A. The cinema is some distance away from where they are.
B. He would like to read the film review in the newspaper.
C. They should wait to see the movie at a later time.
D. He’ll find his way to the cinema.
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