【简答题】选择正确的选项补全对话。 Amy: I have a new friend. Her name is Lily. Tom: 1. ________ Amy: She likes spring best. Tom: 2. ________ Amy: Because there are lots of beautiful flowers. Tom: 3. ________ Amy: It's warm...
【多选题】危险化学品仓库发生火灾时,火情侦察的主要内容是()。
B.
了解危险物品种类、数量、储放形式及毗邻仓库的有关情况。
C.
查明与核实有无爆炸危险,有无人员被困、伤亡,建筑物损坏程度。
【简答题】听对话,回答问题。 1. What does Ann often do on weekends? A. She often goes to the movies. B.She sings Beijing Opera. C. She stays at home. 2. Who wants to be a Beijing Opera artist? A. Ken. B. Ann. C. David.
【单选题】计算机指令系统中,指令助记符采用()表示。
【简答题】FX系列PLC的功能指令采用( )和指令助记符相结合的表示方式。