平时作业资料
- I often help mum ________ the housework because I think it’s good for me.2024-08-15
- 不能作为硝化棉火灾灭火剂的是______。2024-08-15
- The stories in this book may be old, _________ they’re still interesting.2024-08-15
- 煤气是无色有特殊臭味的易燃气体，剧毒，爆炸极限______。2024-08-15
- —________ books did you sell last Sunday?2024-08-15
- 固体可燃物燃烧而引起的火灾是______。2024-08-15
- 根据现行《消防给水及消火栓系统技术规范》，消防给水系统可分为哪几种类型（ ）？2024-08-15
- ---As a result of playing computer games too much, Michael is near-sighted and has to wear glasses.2024-08-15
- 下列哪种（ ）情况下应设消防水池？2024-08-15
- ---The boys were crazy when Spiderman came along at the parade in the Universal Studio.2024-08-15
- We’ll go for a picnic if it ____tomorrow.2024-08-15
- 下列哪些场所应设置灯光疏散指示标志（ ）。2024-08-15
- I’m afraid I can’t go swimming with you, because I have to _______ my little brother at home2024-08-15
- 下列（ ）场所的应急照明，应能保证正常照明的照度。2024-08-15
- ---Stephen Hawking, the brilliant British scientist, passed away at the age of 76 last month.2024-08-15
- Your ___ is the way that your face looks at a moment. It shows what you are thinking or feeling.2024-08-15
- 下列哪些建筑物的消防用电应按一级负荷供电（ ）。2024-08-15
- If you _______ someone, you invite them to flight or compete with you in some way.2024-08-15
- ---Hong Kong’s richest, Li Ka-shing, announced plans to retire before his 90th birthday in July.2024-08-15
- 建筑物的消防用电分为三级。其中一级负荷供电应满足的条件是（ ）。2024-08-15
- ---Mother often warned Peter not to play on his phone in the street, but her warning fell on deaf ea2024-08-15
- 通风、空气调节系统的风管上应设置工程动作温度为70°C的防火阀的部位有（ ）。2024-08-15
- ---What good news! Eric will be a delegate of MUN and will set off for New York next Monday.2024-08-15
- 民用建筑的下列场所或部位应设置排烟设施（ ）。2024-08-15
- ---Mum, I think I need a bigger room.2024-08-15
- 下列单、多层民用建筑或场所应设置火灾自动报警系统（ ）。2024-08-15
- ---Putin _______ the other candidates and was elected president for his fourth time.2024-08-15
- 下列单、多层民用建筑或场所应设置自动灭火系统（ ）。2024-08-15
- ---Jack, you seemed _______ at the party.2024-08-15
- 下列（ ）仓库应设置自动喷水灭火系统。2024-08-15
- 应设置消防软管卷盘或轻便消防水龙的场所是（ ）。2024-08-15
- 在“测量小灯泡的电阻”试验中，小灯泡的额定电压是2.5伏．2024-08-15
- 下列哪些建筑应设置消防电梯（ ）。2024-08-15
- 在课外活动中，老师给出了下列器材：电源（电压为6V）、一个定值电阻（9Ω）、一个滑动变阻器（最大阻值是30Ω）、电压表、电流表、开关、和导线若干．活动中小明同学设计的电路如图甲所示，在正确的连线和调节2024-08-15
- 消防车道应符合下列要求（ ）。2024-08-15
- 电流做功跟电压、电流和通电时间三个因素有关．陈鑫同学要通过实验探究电功跟电压的关系，她选用的部分器材如图所示．其中甲、乙两容器完全相同，电阻丝R1、R2的阻值不同．2024-08-15