城市燃气系统工程规划的首要任务是( )。
A．城市燃气种类 B．城市燃气负荷预测与计算C．城市燃气管网规划 D．城市燃气输配设施规划
参考答案：B
“冷战”中把世界分成“两个敌对堡垒”的标准是[ ]
A．社会经济发展水平
B．国家社会制度的性质
C．在国际舞台上的作用
D．是否推行霸卡义主义政策
根据上句完成下句，且使上下两句意思一致，每空一词。
1. —Could you help me? —Certainly.
—Could you help me? —_____ _____ .
2. Can you take care of my little dog?
Can you_____ _____ my little dog?
3. They often play basketball on Saturdays and Sundays.
They often play basketball _____ _____ .
4. When does he go to see a film?
When does he_____ _____ _____ _____ ?
5. Pandas are a little interesting.
Pandas are_____ interesting.
思一致，每空一词。