养护管理区、服务区进行绿化时，其绿化面积应大于总面积的（）。A、20% B、30%
题型：单项选择题
问题：
养护管理区、服务区进行绿化时，其绿化面积应大于总面积的（）。
A、20%
B、30%
C、40%
D、50%
题型：单项选择题
阅读下面短文，并借助上下文和插图补充所缺信息，每个空只需填写一个形式正确、意义相符的英语单词。请将答案写在答题卡相应题目的位置上。
She is Liu Hui, a middle school student in Anhui, one of the “stay-at-home children” in her town. Liu Hui is 12 years old and lives 小题1:__________ her sister. Her parents left home to 小题2:__________ money in big cities when she was only four. Liu Hui has to look after her younger sister. They have to stay at home alone小题3:__________ they have to go to school in the town.
“I used to feel 小题4:__________ without my parents at home,” She said, “but now I know 小题5:__________ they do so . They have to go away to make money for us so 小题6:___________ we can live a 小题7:__________ life.”
Every day , Liu Hui gets up at 6:30 a.m. and cooks 小题8:__________. Then the two girls go to school. They have supper at 6 p.m. Then Liu Hui does housework and 小题9:__________ her sister with her homework. She usually goes to bed at 9:30 p.m.
Though busy, Liu Hui is still the best student in her class. She said, “My life is OK. But I still hope my parents will come back and live with 小题10:__________.