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【单选题】
Jane's parents recommended that she ______ a foreign language in her freshman year instead of waiting until the following year.
A.
would take
B.
takes
C.
take
D.
was to take
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【单选题】A win-win negotiation is a successful compromise in which both sides improve their situation through mutual cooperation. The key is for one party to offer the other party something that they will perc...
A.
Although Tony could have become angry about the original offer of $ 12, 000, he made a counteroffer.
B.
Effective negotiation helps you to resolve situations where what you want conflicts with what someone else wants.
C.
After the terms have been agreed upon, it is much more likely that the relationship will continue to develop with a view to cooperating with each other to insure the continuing success of both parties.
D.
The company was very pleased with their return on investment, and Tony was able to launch his own game design company.
E.
This, in turn, provides an incentive for the other side to make a similar offer.
F.
When the company reviewed his counteroffer, they conceded that he should receive a share and offered slightly less than Tony had proposed. (46)
【简答题】某学生用胆矾制取氧化铜固体,并研究氧化铜能否在氯酸钾受热分解实验中起催化作用.实验步骤如下: ①称量ag胆矾固体放入烧杯中,加水制成溶液,向其中滴加氢氧化钠溶液至溶解完全; ②把步骤①中的溶液和沉淀转移至蒸发皿中,加热至溶液中的沉淀全部变成黑色氧化铜为止; ③过滤、洗涤、干燥,称量所得固体质量为bg; ④取一定质量的上述氧化铜固体和一定质量的氯酸钾固体,混合均匀后加热,收集反应生成的氧气,如图所示...
【单选题】I hope our class ___ the match. A. win B. wins C. to win D. will win
A.
win
B.
wins
C.
to win
D.
will win
【单选题】win7、win8中可以一次性将所有窗口最小化的快捷键是()
A.
win+e
B.
win+d
C.
win+f
【多选题】下列项目中,属于现金流入项目有( )
A.
经营成本节约额
B.
建设投资
C.
回收垫支的流动资金
D.
固定资产残值变现收入
E.
营业收入
【简答题】现拟用图所示装置(尾气处理部分略)来制取一氧化碳,并用以测定某铜粉样品(混有CuO粉末)中金属铜的含量 (1)制备一氧化碳的化学方程式是 ; (2)试验中,观察到反应管中发生的现象是 ;尾气的主要成分是 ; (3)反应完成后,正确的操作顺序为 (填字母) a.关闭漏斗开关  b.熄灭酒精1   c.熄灭酒精灯2 (4)若试验中称取铜粉样品5.0g,充分反应后,反应管中剩余固体的质量为4.8g,则原...
【简答题】实验室以含有Ca 2+ 、Mg 2+ 、Cl - 、SO 4 2- 、I - 等离子的卤水为主要原料,制备无水CaCl 2 和I 2 .流程如下:(已知Cl 2 与I - 可发生反应:Cl 2 +2I - =2Cl - +I 2 ) (1)操作Ⅰ使用的试剂是______,所用主要仪器的名称是______. (2)加入溶液W的目的是______.用调节溶液Y的pH,可以除去Mg 2+ .酸化溶...
【简答题】一般来说,锁屏的操作方式为() A“win”+“M” B“win”+“R” C“win”+“L” D“win”+“C”
【单选题】在Win7中,显示桌面的快捷键是
A.
'Win+D'
B.
'Win+P'
C.
'Win+Tab'
D.
'Alt+Tab'
【简答题】某学生用胆矾制取氧化铜,并研究氧化铜能否在氯酸钾实验中起催化作用。装置如图 实验步骤如下: ①称量ag胆矾固体放入烧杯中,加水制成溶液,向其中滴加氢氧化钠溶液至沉淀完全; ②把步骤①中的溶液和沉淀转移至蒸发皿中,加热至溶液中的沉淀全部变成黑色氧化铜为止; ③过滤、洗涤、干燥,称量所得固体质量为bg; ④取一定质量的上述氧化铜固体和一定质量的氯酸钾固体,混合均匀后加热,收集反应生成的氧气。 请回答下...
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