— What's this?
— ______________[ ]
A. It's a desk.
B. Goodbye.
C. Nice to meet you.
答案:A
You can reach the top of Mount Tai, ___you can enjoy the breath taking sights. [ ]
A. where
B. there
C. which
D. that
使用市政消火栓供水时,应当根据供水管网的()确定消火栓的使用数量。
A、形状
B、直径
C、压力
D、材质
E、使用年限