排涝泵站规模根据( )确定。
A．城市水系格局
B．排涝标准
C．雨水管渠布置
D．排水分区内调蓄水体调蓄能力
E．服务面积
参考答案：B,D,E
开工阶段，当E-301管程出口温度逼近400℃时，下列做法正确的有：（）
A.适当提高E-304配汽流量。
B.提高主蒸汽流量。
C.适当降低F-301燃料气流量。
D.启动SIS-3001联锁，以保护设备。
同义句变化
1. It's time for school now.
It's time ____ ____ to school now.
2. Whose yellow shirt is it?
____ ____ the yellow shirt?
3. I want anew ruler.
I ____ ___ a new ruler.
4. Please give me your new book.
Please give your new book ____ ____.
5. What time is it, please?
____ ____ ____, please?
