172.16.99.99/255.255.192.0的广播地址是什么？（）A、172

阅读对话，判断正(T)误(F)。

      It's sunny today. The sky is blue. Lily and Mike are in the park now.

Lily: Oh, it's beautiful! I want to take a picture here. May I have your camera?

Mike: Sure. May I take your picture?

Lily: OK, thank you.

Mike: One, two...OK. Please have a look.

Lily: Very nice! I like this photo. Thank you very much.

( ) 1. Today is snowy.

( ) 2. The camera is hard for Mike.

( ) 3. Lily and Mike are in the park.

( ) 4. Lily doesn't like the photo.

以下对公众参与城市规划事业具有的作用表述不正确的是（）。

A.满足市民自治的要求，进而促进民主的思想

B.在改变现存体制的原则下，鼓励市民去支持政府，以维持社会安定

C.市民对政府的监督，确保政府维护“公共利益”，不受“特别利益”的影响

D.增加市民的信任，削弱市民的离心倾向，并且通过市民的反馈，使规划实践工作进行得更顺利

维生素B₁缺乏可引起()

A．坏血病

B．癞皮病

C．干眼病

D．佝偻病

E．脚气病

The man _____ bravely _____ the Japanese during the Anti-Japanese War. [ ]

A. fought; against

B. fought; for

C. fought; at

D. fought; to

货物运输运营调度作业的要求包括（）。

A.保证运量运力平衡

B.编制和执行车辆运行作业计划

C.针对车辆运行条件变化适时调整作业计划

D.按时对调用车辆进行维护、修理