废热锅炉发汽蒸汽压力≤()MPa。
A.1.8
B.3.5
C.1.0
D.0.8
参考答案:A
无类别域间路由(CIDR)技术有效的解决了路由缩放问题。使用CIDR技术把4个网络
C1:192.24.0.0/21
C2:192.24.16.0/20
C3:192.24.8.0/22
C4:192.24.34.0/23
汇聚成一条路由信息,得到的网络地址是()
A.192.24.0.0/13
B.192.24.0.0/24
C.192.24.0.0/18
D.192.24.8.0/20
句型转换。
1. They have a tennis ball.(改为一般疑问句并作否定回答)
_____ they____ a tennis ball?
No, _____ _____.
2. Tony has a basketball.(改为否定句)
Tony _____ _____ a basketball.
3. He plays sports on Sundays.(对画线部分提问)
_____ _____ he _____ on Sundays?
4. Does he have a sports collection?(改为陈述句)
_____ _____ a sports collection.