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【判断题】
只有将轿厢提起,使对重(或平衡重)上的释放并自动复位A.
正确
B.
错误
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【简答题】请回答氯碱的如下问题： （1）氯气、烧碱是电解食盐水时按照固定的比率 k （质量比）生成的产品。理论上 k ＝_______（要求计算表达式和结果）。 （2）原料粗盐中常含有泥沙和Ca 2 ＋ 、Mg 2 ＋ 、Fe 3 ＋ 、SO 2 － 4 等杂质，必须精制后才能供电解使用。精制时，粗盐溶于水过滤后，还要加入的试剂分别为①Na 2 CO 3 、②HCl（盐酸）③BaCl 2 ，这3种试剂添加的...
【单选题】In the late 1980s, in an attempt to defend Marlboro against discount cigarette brands, the company decided to ________ the price by 40 cents a pack.
A.
smash
B.
slash
C.
clash
D.
crush
【单选题】When the company went through a difficult period in the early 1980s, Kent
A.
considered resigning from the company.
B.
thought the company was going to go bankrupt.
C.
made his father give up his power over the company.
D.
persuaded his father to change his policies,
【单选题】When the company went through a difficult period in the early 1980s, Kamp
A.
considered resigning from the company.
B.
thought the company was going to go bankrupt.
C.
made his father give up his power over the company.
D.
persuaded his father to change his policies.
【简答题】You are a clerk in Lucky Tourism Company. You are responsible for arranging travelling lines. One day ,you received the data as follows : Read the following table which shows the changes in the way pe...
【单选题】My uncle ___________ in the company since 1980.
A.
work
B.
worked
C.
has worked
D.
had worked
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