下列哪些特征属于神经衰弱者的表现（）
A.容易疲劳
B.自我压迫
C.睡眠障碍
D.缺乏生活兴趣
参考答案：A, B, C
— Sorry, sir, your car isn't ready yet. It ____ by our workers.
— Oh, my God, when can I come to fetch it? [ ]
A. is repaired
B. has been repaired
C. is being repaired
D. will be repaired
构成脂质体的膜材为（）
A.明胶-阿拉伯胶
B.白蛋白-聚乳酸
C.β-环糊精，苯甲醇
D.磷脂-胆固醇
