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.Improper¹ living habits ____________________________.
不良的生活习惯有害健康。

10.________________________ breaks the study momentum².
义务兵役制度破坏学习的连贯性。

答案：
6.symptoms such as eye irritation³, headache, cough, sore throat, dizziness, and nausea⁴
7.upgrades the image and status
8.Collections and exhibitions reflect, diversity
9.impair⁵ our health
10.Compulsory military service