在等腰△ABC 中，∠C=90°，则tanA=（ ）

某商贸公司，2009年2月从国外进口一批粮食白酒(合计5 000公斤)，已知该批应税消费品的关税完税价格为900 000元，按规定应缴纳关税180 000元，粮食白酒的消费税税率为20%，定额消费税为0.5元/斤。该批消费品进口环节应缴纳的消费税税额( )元。

A．271 250

B．339 062.5

C．273 750

D．276 250

清朝雍正年间，市面流通的铸币，其金属构成是铜六铅四，即六成为铜，四成为铅。不少商人出以利计，纷纷熔币取铜，使得市面的铸币严重匮乏，不少地方出现以物易物。但朝廷征于市民的赋税，须以铸币缴纳，不得代以实物或银子。市民只得以银子向官吏购兑铸币用以纳税，不少官吏因此大发了一笔。这种情况，雍正之前的明清两朝历代从未出现过。
从以上陈述，可推出以下哪项结论
Ⅰ．上述铸币中所含铜的价值要高于该铸币的面值。
Ⅱ．上述用银子购兑铸币的交易中，不少并不按朝廷规定的比价成交。
Ⅲ．雍正以前明清两朝历代，铸币的铜含量，均在六成以下。

A．只有Ⅰ。

B．只有Ⅱ。

C．只有Ⅲ。

D．只有Ⅰ和Ⅱ。

下列各项中，不属于控制活动的是（）。

A、信息与沟通

B、实物控制

C、独立检查

D、职责分工控制

A good translator is by definition bilingual. The opposite is not ______(1) true, however. A born and bred bilingual will still need two__________(2) to become a translator: first, the skills and experience necessary for__________(3); second, knowledge of the field in which he or she will__________(4). The skills and experience for translation include the ability to write ______(5) in the target language, the ability to read and understand the_________(6) language material thoroughly, and the ability to work with the latest__________(7) and communication hardware and software.Does a born and bred bilingual__________(8) a better translator than someone who learned language B later in__________(9) There is no definite answer, but the following issues are important.__________(10), a born and bred bilingual often suffers from not truly knowing __________(11) language well enough to translate, with some even suffering from what __________(12) known as a lingualism, a state in which a person lacks_________(13) full, fluent command of any language. Second, born and bred bilinguals__________(14) don’’t know the culture of the target language well enough to_________(15) top-quality translations, or cannot recognize what aspects of the source language__________(16) its culture need to be treated with particular care, as they_________(17) in a sense too close to the language. And last, they often_________(18) the analytical linguistic skills to work through a sticky text.On_________(19) other hand, the acquired bilingual may not have the same in-depth _________(20) of colloquialisms, slang, and dialect that the born bilingual has. Also, the acquired bilingual will not be able to translate as readily in both directions (from B to language A and A to language B). Finally, born bilinguals often have a greater appreciation of the subtleties and nuances of both their languages than someone who learns their B language later in life can ever hope to have.

甲企业2013年7月与乙企业签订一份以货易货合同，合同中注明甲企业货物价值100万元，乙企业货物价值80万元，乙企业支付甲企业差价款20万元。甲企业就该业务应缴纳印花税（）元。

A.540

B.600

C.300

D.640