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【简答题】
（10分）实验室需要0.10 mol/L NaOH溶液475mL和0.40 mol/L。硫酸溶液500 mL。根据这两种溶液的配制情况回答下列问题： （1）如图所示的仪器中配制溶液肯定不需要的是 （填序号），配制上述溶液还需用到的玻璃仪器是 （填仪器名称）。 （2）人们常将配制过程简述为以下各步骤： A．冷却 B．称量 C．洗涤 D． E．溶解 F．摇匀。 G．移液 正确的操作顺序应是 （填各步骤序号）。 （3）计算该实验用托盘天平称取NaOH的质量为 g。在实验中其他操作均正确，若时俯视视刻度线，、则所得溶液浓度 0.lmol/L（填“大下”、“等于”或“小于”，下同）。若移液时，容量瓶内已有少许蒸馏水，则所得溶液浓度 0.lmol／L。 （4）根据计算得知，所需质量分数A 98%、密度为1184g/cm 3 的浓硫酸的体积为____mL（保留一位小数）。
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参考答案：
举一反三
【单选题】According to the strategic trade policy argument:
A.
government intervention is not required because firms can borrow money from the capital markets to finance the required investments.
B.
selling goods in a foreign market at below their "fair" market value is legally and ethically justified.
C.
government support can help domestic firms overcome the first-mover advantages enjoyed by foreign competitors.
D.
a government should use subsidies to support promising firms that are active in old, established industries.
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【判断题】Trade can be used as a strategic weapon against other countries.
A.
正确
B.
错误
查看完整题目与答案
【单选题】"课程是指学生体验到的意义"，对课程的这种定义是认为（）。
A.
课程即教学科目
B.
课程即学习者所获得的经验
C.
课程即目标
D.
课程即师生的对话
查看完整题目与答案
【单选题】课程即师生的对话,这种课程定义( )。
A.
认为只有把儿童当下活生生的经验看作课程本身，这样才能把握住课程的基本内涵
B.
强师与学生彼此之间的互动
C.
重视课程目标并根据目标来组织教学活动
D.
强调课程的计划性
查看完整题目与答案
【简答题】Hannah Talor is a schoolgirl from Manitoba, Canada five yeasrs old ,she was walking with her mother in downtown Winnipeg. They saw a man 36 out of a garbage can she asked her mother why he didi that a...
查看完整题目与答案
【单选题】5 The 27 member EU negotiates trade agreements as one. The EU and Brazil have negotiated a strategic trade alliance which is an example of a ________.
A.
customs union
B.
global free trade agreement
C.
bilateral agreement
D.
multilateral agreement
查看完整题目与答案
【单选题】According to the strategic trade policy argument: 根据战略贸易政策的论点:
A.
government intervention is not required because firms can borrow money from the capital markets to finance the required investments.不需要政府干预,因为企业可以从资本市场借款,为必要的投资提供资金。
B.
selling goods in a foreign market at below their "fair" market value is legally and ethically justified.在外国市场以低于“公平”市场价值的价格销售商品,在法律上和道德上都是正当的。
C.
government support can help domestic firms overcome the first-mover advantages enjoyed by foreign competitors.政府的支持可以帮助国内企业克服外国竞争对手享有的先发优势。
D.
a government should use subsidies to support promising firms that are active in old, established industries.政府应该用补贴来支持那些在老工业中活跃的有前途的公司。
查看完整题目与答案
【单选题】Who is Hannah?
A.
a cousin
B.
an aunt
C.
another sister
D.
a friend and servant
查看完整题目与答案
【判断题】The strategic-trade-policy is NOT likely to be practical due to insufficient information.
A.
正确
B.
错误
查看完整题目与答案
【单选题】当两种不同旅游产品是一种替代关系时,其旅游需求交叉弹性系数特征是( ) When two different tourism products are a substitute relationship, the cross elasticity coefficient ( 交叉弹性系数 )of tourism demand will be ( )
A.
大于零 greater than zero
B.
小于零 lower than zero
C.
等于零 equal to zero
D.
以上全有可能 above all possible
查看完整题目与答案
相关题目：
【单选题】According to the strategic trade policy argument:
A.
government intervention is not required because firms can borrow money from the capital markets to finance the required investments.
B.
selling goods in a foreign market at below their "fair" market value is legally and ethically justified.
C.
government support can help domestic firms overcome the first-mover advantages enjoyed by foreign competitors.
D.
a government should use subsidies to support promising firms that are active in old, established industries.
查看完整题目与答案
【判断题】Trade can be used as a strategic weapon against other countries.
A.
正确
B.
错误
查看完整题目与答案
【单选题】"课程是指学生体验到的意义"，对课程的这种定义是认为（）。
A.
课程即教学科目
B.
课程即学习者所获得的经验
C.
课程即目标
D.
课程即师生的对话
查看完整题目与答案
【单选题】课程即师生的对话,这种课程定义( )。
A.
认为只有把儿童当下活生生的经验看作课程本身，这样才能把握住课程的基本内涵
B.
强师与学生彼此之间的互动
C.
重视课程目标并根据目标来组织教学活动
D.
强调课程的计划性
查看完整题目与答案
【简答题】Hannah Talor is a schoolgirl from Manitoba, Canada five yeasrs old ,she was walking with her mother in downtown Winnipeg. They saw a man 36 out of a garbage can she asked her mother why he didi that a...
查看完整题目与答案
【单选题】5 The 27 member EU negotiates trade agreements as one. The EU and Brazil have negotiated a strategic trade alliance which is an example of a ________.
A.
customs union
B.
global free trade agreement
C.
bilateral agreement
D.
multilateral agreement
查看完整题目与答案
【单选题】According to the strategic trade policy argument: 根据战略贸易政策的论点:
A.
government intervention is not required because firms can borrow money from the capital markets to finance the required investments.不需要政府干预,因为企业可以从资本市场借款,为必要的投资提供资金。
B.
selling goods in a foreign market at below their "fair" market value is legally and ethically justified.在外国市场以低于“公平”市场价值的价格销售商品,在法律上和道德上都是正当的。
C.
government support can help domestic firms overcome the first-mover advantages enjoyed by foreign competitors.政府的支持可以帮助国内企业克服外国竞争对手享有的先发优势。
D.
a government should use subsidies to support promising firms that are active in old, established industries.政府应该用补贴来支持那些在老工业中活跃的有前途的公司。
查看完整题目与答案
【单选题】Who is Hannah?
A.
a cousin
B.
an aunt
C.
another sister
D.
a friend and servant
查看完整题目与答案
【判断题】The strategic-trade-policy is NOT likely to be practical due to insufficient information.
A.
正确
B.
错误
查看完整题目与答案
【单选题】当两种不同旅游产品是一种替代关系时,其旅游需求交叉弹性系数特征是( ) When two different tourism products are a substitute relationship, the cross elasticity coefficient ( 交叉弹性系数 )of tourism demand will be ( )
A.
大于零 greater than zero
B.
小于零 lower than zero
C.
等于零 equal to zero
D.
以上全有可能 above all possible
查看完整题目与答案
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