窝洞的外形线需要制成圆缓的曲线，主要目的是为了A．防止充填物脱落 B．防止边缘继发龋

审计机关对某股份有限公司2010年财务情况进行审计时发现有以下行为：公司作为一般纳税人，在未发生存货购入业务的情况下，从其他企业买入空白增值税发票，并在发票上注明购入商品，买价100万元，增值税税额17万元。财务部门以该发票为依据编制记账凭证，纳税申报时作为进项税额抵扣税款。
要求：根据资料，回答以下各题：

该股份有限公司的财务人员上述行为违反了会计职业道德规范( )的要求。

A．客观公正

B．坚持准则

C．廉洁自律

D．诚实守信

拼写单词，根据短文意思和所给首字母写出单词。

     Reading newspapers has becoming an important p______1 of our everyday life. Many people read

newspapers a______2 the first thing to do in the morning, others read newspapers as soon as they are

free during the day so that they can learn what is h______3 in the world.

     Sometimes, however, we do not have e______4 time to read all the news carefully, so we just take

a quick look at the front page, at other times, we may be in such a h______5 that we only have a few

minutes to look at the names of the passages.

     Newspapers can be found everywhere in the world. We can get many different kinds of newspapers

in the big cities, of course, but in some of the mountain v______6 we can see few newspapers.

     Some newspapers are published o______7 a week, but most of the newspapers are published once a

day with many pages, some even published twice a day! As you know different people e______8 reading

different newspapers, some like sports news, some like economic news and others prefer short stories.

They just choose what they are i______ 9 in.

     Today newspapers in English have the l______ 10 number of readers in the world.

以下关于超声波特性的描述，哪些是正确的

A．超声波属于声波范畴

B．超声波可不通过弹性介质进行传播

C．在人体软组织、体液和气体中的传播方式为横波

D．具有反射、折射、衍射等特性

E．在不同介质中传播的速度不同

鸡急性球虫病的症状和病理变化。

下列哪项是Begg矫治器的组成部分

A．口外唇弓

B．方丝

C．方托槽

D．双曲唇弓

E．Begg托槽