Questions from 31 to 35 are based on the f

题型:单项选择题

问题:

Questions from 31 to 35 are based on the following passage:The exporter, as drawer of a draft (bill of exchange), hands the draft to his bank, the remitting bank, who in turn forwards it to the buyer through a collecting bank in the buyer’s country. A draft (also called a bill) is a written order to a bank or a customer to pay someone on demand or at a fixed time in the future a certain sum of money. If shipping documents accompany the draft, the collection is called “documentary collection.”Documentary collection falls into two major categories: one is documents against payment(D/P); the other, documents against acceptance (D/A).Documents against payment, as the term suggests, is that the collecting bank will only give the shipping documents representing the title to the goods on the condition that the buyer makes payment.Where the paying arrangement is D/A, the collecting bank will only give the buyer the shipping documents after buyer’s acceptance of the bill drawn on him, i.e. the buyer signs his name on the bill promising to pay the sum when it matures. In return he gets what he needs – the shipping documents.Under D/A, the seller gives up the title to the goods – shipping documents before he gets payment of the goods. Therefore, an exporter must think twice before he accepts such paying arrangement.

A draft can be described as followings except( ).

A.a bill of exchange

B.a kind of shipping documents

C.a bill

D.a written paying order

考点:外贸业务员考试全国外贸业务员考试外贸业务基础理论A卷真题2012年
题型:单项选择题

在30°N附近的日光城拉萨安装太阳能热水器,为了充分利用太阳能,尽可能使一年内正午太阳光线与集热板保持垂直,集热板与地面夹角的调整幅度约为(   )

A.23.5°

B.30°

C.47°

D.60°

题型:单项选择题

胃肠湿热呕吐,宜选用

A.藿香,竹茹,黄连

B.藿香,陈皮,苏梗

C.藿香,丁香,芦根

D.藿香,生姜,砂仁

E.藿香,白豆蔻,吴茱萸

题型:单项选择题

测定Cu(NO3)2∙nH2O的结晶水含量,下列方案中不可行的是(    )

A.称量样品→加热→冷却→称量CuO

B.称量样品→加热→冷却→称量Cu(NO3)2

C.称量样品→加热→用已知质量的无水氯化钙吸收水蒸气并称量

D.称量样品→加NaOH→过滤→加热→冷却→称量CuO

题型:单项选择题

某小组对酸化及碱化膨润土负载镍催化CO2加氢甲烷化反应进行了研究。

(1)制备Ni-酸化膨润土、Ni-碱化膨润土的部分流程如下

①“溶解”时维持反应温度为70-80℃,其目的是______________。

②“氧化”一步反应的离子方程式为_______________________。

(2)在不同温度下,膨润土、Ni-酸化膨润土、Ni-碱化膨润土催化CO2加氢甲烷化反应的结果如图所示:

a.Ni-碱化膨润土甲烷化选择性

b.Ni-酸化膨润士甲烷化选择性

c.膨润土甲烷化选择性

d.Ni-碱化膨润土CO2转化率

e.Ni-酸化膨润土CO2转化率

f.膨润土CO2转化率

①在测定温度内,Ni-酸化膨润土对CO2加氢甲烷化反应的最适宜温度为____,理由是________________

②在相同温度下,对CO2的转化率,Ni-碱化膨润土高于Ni-酸化膨润土,原因可能是_______________。

③500℃时,在上述实验条件下向某装有膨润土的密闭容器中通入5 mol CO2和20 mol H2,充分反应后生成CH4的物质的量为__________。

题型:单项选择题

采用下列哪种方法对受污染的移液管消毒灭菌后,再用自来水冲洗及去离子水冲净()?

A.适宜的消毒剂中浸泡和高压灭菌锅中

B.高压消毒锅中

C.适宜的消毒剂中浸泡

D.肥皂水中浸泡

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