问题
单项选择题
女，55岁，无明显不适，仅面部、手背有较多褐色素斑，皮肤弹性逐渐变差，为改善以上症状，建议补充
A．赖氨酸
B．叶酸
C．生育酚
D．硫胺素
E．核黄素
答案
参考答案：C
解析：生育酚即维生素E具有抗氧化预防衰老的作用。褐色素斑(俗称老年斑)是细胞内某些成分被氧化分解后的沉积物。
搜题请搜索小程序“爱下问搜题”
女，55岁，无明显不适，仅面部、手背有较多褐色素斑，皮肤弹性逐渐变差，为改善以上症状，建议补充
A．赖氨酸
B．叶酸
C．生育酚
D．硫胺素
E．核黄素
参考答案：C
解析：生育酚即维生素E具有抗氧化预防衰老的作用。褐色素斑(俗称老年斑)是细胞内某些成分被氧化分解后的沉积物。
根据对话内容从对话后方框内的七个选项中选择五个适当的选项补全对话，并将其字母代号填入答题卡中相应题号的横线上。（本大题共5小题, 每小题1分，共5分）
B: Me, too! How are you? A: Fine, thanks. 1 ? I haven’t seen you for a long time. B: Oh, I went to Sydney with my parents. Sydney is the biggest city in Australia. A: Really? 2 ? B: No, I haven’t. It’s the first time for me to go there. A: That’s great. 3 ? Is it too hot? B: No, Sydney is cool. Because it’s winter now. A: 4 ? B: First by plane, then we went to Sydney by car. A: 5 ? B: Yes, we had a good time. By the way, I took many photos. Would you like to see them? A: That’s wonderful! Let’s go! |