基本句子结构：
S+V+O （主语+谓语动词——及物动词+宾语）
6.Passive smoking can cause _____________________________________.
被动吸烟可导致诸如眼睛发炎、头痛、咳嗽、喉咙痛、头晕和恶心等症状。

7.Art _________________________________of the city.
艺术提升城市的形象和地位。

8.____________________________ the cultural and social __________________.
收藏品和展品反映了文化和社会的多元化。

9.Improper living habits ____________________________.
不良的生活习惯有害健康。

10.________________________ breaks the study momentum.
义务兵役制度破坏学习的连贯性。

答案：
6.symptoms such as eye irritation, headache, cough, sore throat, dizziness, and nausea
7.upgrades the image and status
8.Collections and exhibitions reflect, diversity
9.impair our health
10.Compulsory military service