属咀嚼黏膜的是() A.牙龈黏膜 B.舌腹黏膜 C.口底黏膜 D.舌背黏膜 E.颊黏

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问题:

属咀嚼黏膜的是()

A.牙龈黏膜

B.舌腹黏膜

C.口底黏膜

D.舌背黏膜

E.颊黏膜

考点:口腔执业医师口腔执业医师口腔专业基础模拟题6
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对于古今字当中通过增加或改换形符而造成的今字又称作()

A.原生字

B.表意字

C.俗字

D.后起形声字

E.形声字

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AzS(M)350型计轴设备室内计轴主机和室外车轮电子检测器之间的传输通道应采在其未出清该区段之前,均应表示为()。

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1937年2月,中 * * 党致电国民党保证:“ * * 党领导的陕甘宁革命根据地政府,改名为中华民国特区政府,红军改名为国民革命军,直接受南京中央政府及军事委员会指导。”这表明(  )

①中 * * 党放弃了对特区和红军的领导权

②中日之间的民族矛盾已经成为中国社会的主要矛盾

③中 * * 党有建立抗日民族统一战线的诚意

④中 * * 党以让步换取和国民党合作

A.②③

B.①③④

C.②③④

D.①②③④

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Most taxpayers have had enough income tax collected by their employers during the year. So they do not (36) any money. In fact, most Americans get some money back. Last year, the Internal Revenue Service returned at least some money to more than (37) Americans paying individual income tax.
The United States has what is called (38) . Tax rates increase as (39) increase. This year, people earning more than (40) are taxed at the highest rate.
Earnings above that amount are taxed at (41) . Earnings below that amount are taxed at lower rates.
Individuals who earn less than (42) pay no income tax. But they do pay (43) , Medicare and other taxes.
There are many different ways for people and businesses to reduce their (44) Most homeowners, for example, can reduce their taxes a little by reporting to the I.R.S. the interest they pay (45) . This is called a (46)
In 2004, personal income taxes provided the government with most of its money: (47) of the budget. Social security and other (48) taxes provided (49) . Other forms of income include (50) , money borrowed to (51) and special taxes on (52) .
But income from taxes did not provide enough to pay for government spending. The I.R.S. says the budget deficit for 2004 was about (53) dollars.
Preparing tax documents can be complex. The I.R.S. estimates that taxpayers need an average of about 13 hours to prepare tax documents. And that is just for the basic tax form. For business, the I.R.S. estimates an (54) needs more than 50 hours. This is why a lot of Americans pay (55) to complete their tax documents for them.

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什么是安全阀?其组成及主要作用有哪些?

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