当今世界绝大多数国家的宪法都是具有统一法典形式的宪法，叫（）。英国宪法是典型的（）。

乙肝是乙型病毒性肝炎的简称，是一种常见的传染病．据世界卫生组织报道，全球约有20亿人曾感染过乙肝病毒，其中3.5亿人为慢性感染者，每年约有100万人死于感染所致的肝衰竭、肝硬化和肝癌．请分析回答下列问题．

（1）从传染病流行的基本环节分析，乙肝患者属于　    　；

（2）婴儿出生后就需要注射乙肝疫苗，这样能够有效预防乙肝病毒的感染．从预防传染病的措施分析，给婴儿进行预防接种属于　   　．

（3）接种乙肝疫苗后，人体内的淋巴细胞就会产生抵抗乙肝病毒的　   　；当乙肝病毒再次侵入时，该种物质就会迅速发生作用并消灭它们．这种免疫功能是后天获得的，只针对某一特定的病原体起作用，因而叫做　   　免疫．

（4）某人想通过接种甲肝疫苗来预防乙肝，你认为能否起到预防作用？　  　．

When I was young, my parents ran a snack bar in our small town.One evening in early April, my mother told me to fill in at the snack bar (1) a worker who had the flu. I told her I would mess it up, (2) I had never worked at the bar before. I (3) that instead of making money, I would end up owing it."You can do it," said my mother," (4) , you won’t get much business until lunch. ""But I’ll never remember the orders, and I’m no good (5) money. Please, Mom, don’t (6) me."Then I’ll help you", she said.I shrugged my shoulders. I thought my mother’s (7) was a bad one, but I (8) .When I got to the bar the next day, I found my mother was (9) . Because the weather that day was rainy and cold, people wanted hot snacks and drinks. (10) , I was really slow at taking the orders and making change. The line of people grew, and everybody seemed (11) , I was so nervous that my hands shook, and I (12) a cup into pieces. What a mess! Then my mother came to (13) me, and she also showed me how to make (14) . If someone gave me $ 5 for something that cost $ 3.25, I handed over (15) quarters and a dollar and said, "75 cents makes four dollars, plus one dollar makes five. " Things went more (16) after that.By the end of the day, I could remember orders, (17) the bill, and make change quickly with a smile. I was even a little (18) when the sun came out and dried up business. My mother said she was proud of me, and when she (19) that I work at the snack bar again next year, I did not even shrug. I was too busy (20) the restaurant I would open one day.

第（5）空应选择（）

A．of

B．on

C．about

D．with

股骨头血液供给的主要来源是

A．股骨干的滋养动脉升支

B．股骨头圆韧带的小凹动脉

C．旋股内，外侧动脉的分支

D．腹壁下动脉的分支

E．腹壁浅动脉的分支

一个演示文稿中（）幻灯片版式。

A.只能包含一种

B.可以包含多种

C.只能选定一种

D.可以包含30种

某企业属于小规模纳税人，本月销售商品100件，开具普通发票金额为26万元。已知小规模纳税人适用的增值税征收率为3%，该企业本月应纳增值税额为( )万元。

A．1.18
B．0.76
C．0.78
D．1.25