五一节放假，早晨小明帮助妈妈准备早餐，当他从冰箱里拿出冷藏后的火腿，一会儿发现它

阅读理解。

     The Blacks are American tourists. They are visiting Beijing. This is their first visit to China.

They are going to stay in China for three months. They want to visit some big cities and villages.

They hope to learn some Chinese, too.

     Mr Black is a taxi driver. He likes to drive in Beijing. Mrs Black is a school teacher. She is

visiting a city school today and a village school tomorrow. Their daughter is a middle school

student. She is going to meet some Chinese students.

     They are taking a lot of pictures in China. When they return to America, they are going to

show the pictures to their friends. They want the American people to know more about China.

1. The Blacks are from ______. [ ]

A. China

B. England

C. Canada

D. the USA

2. The Blacks are staying in ______ now. [ ]

A. England

B. Beijing

C. Shanghai

D. New York

3. Mr Black is ______. [ ]

A. a teacher

B. a doctor

C. a taxi driver

D. a worker

4. There are ______ people in Mr Black's family. [ ]

A. two

B. three

C. four

D. five

5. Why are they going to show the pictures to their friends when they go back to America? [     ]

A. Because the pictures are very beautiful.

B. Because they like China.

C. Because they want the American people to know more about China.

D. Because they want the American people to come to China.

六十岁男性，舌背白色斑块1年，无疼痛。查体：舌背中份可见2cm×2cm大小白色斑块，略高出黏膜表面，触之稍粗糙，周围黏膜未见明显异常

该病的分型不包括（）

A.萎缩型

B.斑块型

C.皱纸型

D.疣状型

E.溃疡型

下列的立体图形是立方体中挖出一个圆锥台孔后形成的，如果从任一面剖开，以下哪一个不可能是该立体图形的截面?

A.A 

B.B 

C.C 

D.D

患者，男，81岁，因"带状疱疹"在皮肤科病房住院治疗，该患者患有Ⅱ型糖尿病多年，口服降糖药物控制血糖，无COPD、肝脏疾病等其他慢性病史，两年前头颅CT示：腔隙性脑梗。晚八时许，无明显诱因出现神志不清，之前无明显不适主诉。BP：90／60mmHg，HR85次／分，自主呼吸稍促20次／分，四肢末梢稍凉，体温不高，无明显神经系统定位体征，双侧巴宾斯基征（±）。

应做哪些辅助检查来明确诊断（）

A.头颅CT

B.心电图

C.血气分析

D.尿常规

E.血糖测定

F.心脏彩超

以下不属于政府管制价格的商品是( )。

A．教材
B．茶叶
C．电信基本业务
D．邮政基本业务