商品碳酸铵及其他铵的碳酸盐

题型:报关编码

问题:

商品碳酸铵及其他铵的碳酸盐

考点:报关水平测试商品编码商品编码题库
题型:报关编码

下列关于权益乘数的计算式正确的有()

A.权益乘数=所有者权益/资产

B.权益乘数=l/(l-资产负债率)

C.权益乘数=1-资产负债率

D.权益乘数=l+产权比率

题型:报关编码
完形填空。(10分)
Bruce is only an 8 years old boy.He loves the 33    very much.Many students in his class have pets(宠物), 34    he doesn’t have one.So he wants his mother to buy him a 35    .It’s Sunday today.Bruce and his mother go shopping.Bruce asks,”Mom,could you buy me a pet?”
“Let me see…What pet do you 36  ?”his mother asks.
“I want a  37   .I like it very much.”
“Oh,dear.You can’t have a pet monkey.It will  38  your bananas.”
“How about a panda?It’s cute.It’s my 39   animal.”
“A panda?No.It will drink your milk.”
“Well,”Bruce 40   a moment(一会儿).”Oh,I can have a pet elephant.It can’t drink my milk.It is very kind,too.”
“It’s so 41  and we don’t have a big room for it,”says his mother.”You can have a pet.It isn’t big,and it can’t drink your milk or eat your bananas.”
“Well,I know.”
42   is it,my dear?”
“Dad!Bruce says happily.
小题1:
A.foodB.animalsC.clothesD.vegetables
小题2:
A.soB.andC.butD.then
小题3:
A.bookB.bananaC.deskD.pet
小题4:
A.wantB.bringC.seeD.give
小题5:
A.lionB.tigerC.monkeyD.cat
小题6:
A.drinkB.eatC.waitD.cook
小题7:
A.goodB.wellC.loveD.favorite
小题8:
A.thinksB.looksC.helpsD.goes
小题9:
A.old B.youngC.bigD.nice
小题10:
A.HowB.WhereC.Whos D.What
题型:报关编码

工业制硫酸中的一步重要反应是SO2在400~600  ℃下的催化氧化:2SO2+O2 2SO3,这是一个正反应放热的可逆反应。如果反应在密闭容器中进行,下述有关说法中错误的是[ ]

A、使用催化剂是为了加快反应速率,提高生产效率

B、在上述条件下,SO2不可能100%地转化为SO3

C、为了提高SO2的转化率,应适当提高O2的浓度

D、达到平衡时,SO2的浓度与SO3的浓度相等

题型:报关编码

对供应商进行调查时,一般是需方先编制调查表,其内容大致有()。

A.设计和制造

B.采购

C.资料体系

D.质量协作

E.检验和试验

题型:报关编码

简述荔枝生长发育对环境的要求。

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