[单项选择]I used to look at my closet and see clothes. These days, whenever I cast’my eyes upon the stacks of shoes and hangers of shirts, sweaters and jackets, I see water.
It takes 569 gallons to manufacture a T-shirt, from its start in the cotton fields to its appearance on store shelves. A pair of running shoes 1,247 gallons.
Until last fall, I’d been oblivious to my "water footprint", which is defined as the total volume of freshwater that is used to produce goods and services, according to the Water Footprint Network. The Dutch nonprofit has been working to raise awareness of freshwater scarcity since 2008, but it was through the "Green Blue Book" by Thomas M. Kostigen that I was able to see how my own actions factored in.
I’ve installed gray-water systems to reuse the wastewater from my laundry machine and bathtub and reroute it to my landscape-systems that save, on average, 50 gallons of water per day. I’ve set up rain barrels and infiltration pits to collect thou
A. His house was equipped with advanced water-saving facilities.
B. Money spent on upgrading his household facilities was worthwhile.
C. He made contribution to drinking water conservation in his own way.
D. He could have made even greater contribution by changing his lifestyle.

查看答案

[填空题]旅客列车进行摘挂作业时，必须连结全部软管，在距停留车（）m处一度停车

查看答案

[判断题]为充分了解基层建设情况，领导机关可向基层单位索要文字材料，但要从严控制。( )
A.正确
B.错误

查看答案

[单项选择]我国金融监管体制的类型是( )
A. 集中监管体制
B. 分业监管体制
C. 伞型监管体制
D. 统一监管体制

查看答案

[判断题]施工、维修单位遇天气变化、自然灾害、事故等特殊情况不能作业时，车站应及时登记取消原因，并通知配合单位。
A.正确
B.错误

查看答案

[单选题]长期医嘱的有效时间是()
A.12 小时
B.18 小时内
C.20 小时内
D.22 小时内
E.24 小时以上

查看答案

[简答题]小舞蹈病主要临床表现是什么?

查看答案

[单项选择]Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (21) to how they can be best (22) such changes. Growing bodies need movement and (23) , but not just in ways that emphasize competition. (24) they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (25) that comes from achieving success and knowing that their accomplishments are (26) by others. However, the typical teenage lifestyle is already filled with so much com petition that it would be (27) to plan activities in which there are more winners than los ers, (28) , publishing newsletters with many student-written book reviews, (29) student artwork, and sponsoring book discussion clubs. A variety of small clubs can pro vide (30) opportunities for leadership, as well as for
A. consent
B. insurance
C. admission
D. security

查看答案

[多选题]政府的最低工资立法对收入分配的不平等程度有可能会产生的影响包括( ）。
A.替代效应
B.规模效应
C.压缩效应
D.扩大效应
E.收入效应

查看答案

[判断题]架空线路工程验收主要包括架空线路（通道、杆塔、基础、导线、铁件、金具、绝缘子、拉线等）、柱上开关设备（含跌落式熔断器）、柱上变压器、柱上电容器、防雷和接地装置等验收。
A.正确
B.错误

查看答案

[单选题]关于劳动合同的主体具有特定性，不正确的说法是（）。
A.合同的一方是用人单位，另一方必定是劳动者
B.作为劳动合同主体的劳动者，要有就业要求，具有劳动行为
C.用人单位不可以是个体经济组织
D.用人单位必须依法成立，能够以自己的名义承担相应的民事责任

查看答案

[判断题]给排水设备包括两类设备：电动蝶阀和水泵。

查看答案

[单项选择]全面认识影响旅游的主客观要素，对于发展旅游业特别是旅游业的（）工作有一定实际意义。
A. 产品定位
B. 价格制定
C. 市场营销
D. 销售渠道

查看答案

[判断题]对于私募理财产品，合格投资者投资于单只固定收益类理财产品的金额不得低于30万元人民币。
A.正确
B.错误

查看答案

[判断题]在确保自身安全的前提下开展救援行动,尤其是无人员被困或确定被困人员已无生还可能时,禁止内攻,严禁冒险作业。( )
A.正确
B.错误

查看答案

[多项选择]白喉杆菌的特点为（）
A. 呈杆状，一端或两端稍肥大
B. 革兰染色阳性
C. 产生强烈的外毒素，为致病的主要因素
D. 外毒素抑制被染组织细胞的蛋白合成，导致细胞死亡
E. 对热、化学药品抵抗力弱

查看答案

[多项选择]专利侵权诉讼适用的原则是( )。
A. 公知技术抗辩原则
B. 技术特征覆盖原则
C. 对等原则
D. 禁反言原则

查看答案

[单选题]站内正线与相邻到发线，有列检作业，v≤120 km/h，困难线间最小距离（）_mm。
A.5500
B.5300
C.4800
D.5000

查看答案

[多选题]圆形截面的熄焦室与矩形截面的熄焦室相比具有( )的优点。
A.A：能保证气体沿周边较均匀地分布
B.B：焦炭下降速度快
C.C：有较好的严密性
D.D：流体阻力低

查看答案

[单项选择]Never give out identifying information such as home address, school name, or telephone number in a public message such as chat or newsgroups, and be sure you’re dealing with someone both you and your children know and trust before giving out this information via E-mail. Do not post photographs of your children in newsgroups or on web sites that are available to the public.
Never allow your child to arrange a face-to-face meeting with someone they "meet" on the Internet. If a meeting is arranged, make the first one in a public place, and be sure to accompany your child.
Remember that people online may not be who they seem. Because you can’t see or even hear the person it would be easy for someone to misrepresent him or herself. Thus someone indicating that "she" is a "12-year-old girl" could in reality be a 40-year-old man.
Remember that everything you read online may not be true. Any offer that’s "too good to be true" probably is. Be careful about any offers that involve
A. Parents.
B. One’s child.
C. Teachers.
D. One’s relatives.

查看答案

[单选题]当矿山、金属冶炼、建筑施工企业和易燃易爆物品、危险化学品等危险物品的生产、经营企业面临的事故风险发生重大变化的,应急预案( )。
A.应当废弃不用
B.可以免于重新备案
C.应当及时修订
D.应当及时修订并归档

查看答案

[单项选择]重症肌无力造成无力的原因是（）
A. 产生AChR抗体使AChR受损或减少
B. 使胆碱酯酶活性受到抑制导致ACh作用过度延长
C. 使ACh合成和释放减少
D. 阻碍钙离子进入神经末梢
E. 阻碍ACh与AChR结合

查看答案

[填空题]给水管路没有水压形成的时候,电动给水泵启动前要（）泵的出口门及出口旁路门、中间抽头门,开启再循环门。

查看答案

[填空题] 氯气在常温时为（）气体,它具有使人窒息刺激的气体,是一种有毒的气体,吸入过多会致死。

查看答案

[多项选择]放电管是用以保护设备和工作人员免遭瞬间（）冲击的（）保护器件。
A. 高电压
B. 过电压
C. 过电流
D. 高电流
E. 低电流
F. 低电压

查看答案

我来回答:

提交