某女性患者，66岁，全口义齿修复，采用S.P.A排牙法，遵照排牙的基本原则和方法，获得一副满意的全口义齿

S.P.A排牙法称为

A:男性排牙法 B:女性排牙法 C:个性排牙法 D:中性区排牙法 E:非解剖式后牙排牙法

某男性患者，64岁，全口义齿修复，采用S.P.A排牙法，遵照排牙的基本原则和方法，获得一副满意的全口义齿

S．P．A排牙法称为

A:男性排牙法 B:女性排牙法 C:个性排牙法 D:中性区排牙法 E:非解剖式后牙排牙法

More about Alzheimer"s Disease

    Scientists have developed skin tests that may be used in the future to identify people with Alzheimer"s disease¹ and may ultimately allow physicians to predict who is at risk of getting this neurological disorder.

    The only current means of diagnosing the disease in a living patient is a long and expensive series of tests that eliminate every other cause of dementia.

    “ Since Alois Alzheimer described the disease nearly a century ago，people have been trying to find a way to accurately diagnose it in its early stages²，” said Patricia Grady，acting director³ of the National Institute of Neurological Disorders and Stroke in Bethesda, Maryland. "This discovery, if confirmed, could prove a big step forward in our efforts to deal with and understand the disease. ”

    Alzheimer"s is the single greatest cause⁴ of mental deterioration in older people, affecting between 2. 5 million and 4 million people in the United Statesalone⁵. The devastating disorder gradually destroys memory and the ability to function，and eventually causes death.⁶ There is currently no known treatment for the disease.

    Researches discovered that the skin cells of Alzheimer" s patients have defects that interfere with their ability to regulate the flow of potassium in and out of the cells. The fact that the cell defects are present in the skin suggests that⁷ Alzheimer"s results from physiological changes throughout the body，and that dementia may be the first noticeable effect of these changes as the defects affect the cells in the brain, scientists said.

    The flow of potassium is especially critical in cells responsible for memory formation⁸. The scientists also found two other defects that affect the cells" supply of calcium, another critical element.

    One test developed by researches calls for⁹ growing skin cells in a laboratory culture and then testing them with an electrical detector to determine if the microscopic tunnels that govern the flow of potassium are open. Open potassium channels create a unique electrical signature.

    A spokesman for the Alzheimer"s Association said that if the validity of the diagnostic test can be proven it would be an important development, but cautioned that other promising tests for Alzheimer"s have been disappointing.¹⁰

词汇：

neurological / ˌnjʊərəˈlɒdʒɪkl / adj. 神经病学的 

potassium / pəˈtæsiəm / n. 钾

dementia / dɪˈmenʃə / n. 痴呆 

formation / fɔ:ˈmeɪʃn / n. 形成，组成

deterioration / dɪˌtɪərɪə"reɪʃn / n. 恶化，退化 

calcium / "kælsɪəm / n. 钙

devastating / ˈdevəsteɪtɪŋ/ adj. 破坏性极大地，毁灭的

microscopic / ˌmaɪkrəˈskɒpɪk / adj. 极小的，微小的

defect / ˈdi:fekt / n 缺损，毛病

signature / ˈsɪgnətʃə(r) / n. 识别标志；署名，签名，签字

physiological / ˌfɪzɪə"lɒdʒɪkl / adj. 生理的；生理学的

validity / vəˈlɪdəti / n. 效力，有效（性）

注释：

1.to identify people with Alzheimer"s disease ； 老性痴呆识别患早老性痴呆的人;Alzheimer"s disease:早

2.in its early stages：在它的早期阶段

3.acting director：执行主任

4.the singly greatest cause：唯一的重要原因

5.in the United States alone：仅在美国

6.The devastating disorder gradually destroys memory and the ability to function, and eventually causes death.这种毁灭性的疾病逐渐破坏记忆和行动的能力，最终导致死亡。

7.The fact that... suggests that...：事实表明

8.cells responsible for memory formation ：对记忆的形成至关重要的细胞

9.call for：要求

What is the relationship between Alzheimer"s and dementia?

A:Dementia is one of the signs of Alzheimer"s B:Alzheimer"s is one of the causes of dementia C:They are two completely different diseases D:They are similar defects of the human brain

所有的S是P换质：（）

A:所有S是非P B:所有S不是P C:所有S不是非P D:有些S是P

假设，S一保险商品供给量，S一保险商品供给量变动，P一保险费率，P一保险费率变动，则供给弹性系数公式表示为（）。

A:Es=△S/S△P/P B:Es=△P/P△S/S C:Es=△P/S△S/P D:△S/P△P/S

交流电路中，P、Q和S三者之间的关系为（）。

A:S²＝P²－Q² B:S²＝P²＋Q² C:P²＝S²－Q² D:Q²＝P²＋S²

高P/S值是指（）

A:P/S≥1 B:P/S≤1 C:P/S>1 D:P/S>0.5

在双向循环链表中，在P所指的结点之后插入S指针所指的结点，其操作是( )。

A:p—＞next=s；s—＞prior=p；p—＞next—＞prior=s；s—＞next=p—＞next； B:s—＞prior=p；s—＞next=p—＞next；p—＞next=s；P—＞next—＞prior=s： C:p—＞next=s；p—＞next—＞prior=s；s—＞prior=p；s—＞next=p—＞next； D:s—＞prior=p；s—＞next=p—＞next；p—＞next—＞prior=s；p—＞next=s：

在循环双链表的p结点之后插入s结点的操作是______。

A:p→next=s； p→next→prior=s； S→prior=p； S→next=p→next； B:s→next=p； s→next=p→next； p→next=s； p→next→prior=s； C:p→next=s； s→prior=p； p→next→prior=s； s→next=p→next； D:s→prior=p； s→next=p→next； p→next→prior=s； p→next=S；

在循环双链表的p节点之后插入s节点的操作是______。

A:p→next=s； p→next→prior=s； s→prior=p； S→next=p→next； B:s→next=p； s→next=p→next； p→next=S； p→next→prior=s； C:p→next=s； s→prior=p； p→next→prior=s； s→next=p→next； D:s→prior=p； s→next=p→next； p→next→prior=s； p→next=s；