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【单选题】
奥地利维也纳Ringstrasse社区从2007年已开始全面使用一种新颖的“ ”来照明。
A.
太阳能树
B.
太阳能灯
C.
新能源灯
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】请根据下面短文回答： Many American families live busy lives. Every week, the children have sports, music lessons, club meetings, and many other activities, including(包括)hours of homework. The parents are busy, ...
A.
for a family to cook together
B.
for a family to spend time together
C.
for a community to spend time together