一批作业不超过()钩或变更计划不超过三钩时,可用口头方式布置。(中间站利用本务机调车除外)。
参考答案:三
Read and fill in the blanks.(读一读,根据汉语提示把句子补充完整)
1. 一How tall are you? I'm 1.60 meters tall.
一I’m ____ than you. (高的)
2. 一What's the ____ with her?
一Her throat is sore.(问题)
3. 一What did you ____ last weekend?
一I cleaned my room.(做)
4. 一Where did you ____?
一I ____ to Xinjiang.(去)
墩、台施工时,对于高度超过15m的高墩,应采用什么方法来增强模板的稳定性?