下列关于各类血管功能特点的叙述，正确的是（　　）

(1)【◆题库问题◆】：[单选] 下列关于各类血管功能特点的叙述，正确的是（　　）
A．毛细血管前括约肌属于毛细血管前阻力部分，交感缩血管纤维的分布极少
B．主动脉和大动脉有弹性贮器的作用，使血液能在血管系统内匀速流动
C．微静脉口径不变时，微动脉舒张有利于组织液进入血液
D．静脉的舒缩活动是促使静脉血回流人心脏的主要动力
E．毛细血管分支多，总的截面积大，容纳了循环血量的60%以上

【◆参考答案◆】：A

【◆答案解析◆】：略

(2)【◆题库问题◆】：[单选]
A．key
B．they
C．obey
D．grey

【◆参考答案◆】：A

(3)【◆题库问题◆】：[单选] 红细胞的内环境是指（　　）
A．细胞内液
B．细胞外液
C．细胞外液和细胞内液
D．组织液
E．血浆

【◆参考答案◆】：E

(4)【◆题库问题◆】：[单选] 选择之债是 （　　）
A．债权人可选择
B．债务人可选择
C．债权可选择
D．给付可选择

【◆参考答案◆】：D

(5)【◆题库问题◆】：[单选] 冰心著名的散文集是
A．《繁星》
B．《寄小读者》
C．《春水》
D．《虫子》

【◆参考答案◆】：B

(6)【◆题库问题◆】：[单选,材料题] _________根据以下内容，回答下面的题目。Insure means to protect _51_ a loss of money．Most people can budget their money so that their income will cover expected expenses _52_ food, clothing, housing, and public services．But, there is no way to know _53_ who will suffer a crisis (危机) such as a serious illness, fire, flood, or a car accident．Such crises usually _54_ great expensE．Even if people could predict crises, it would be hard to save enough money to _55_ the expenses．Insurance is a system _56_ a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis．An insurance policy _57_ how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis．There are many different kinds of insurance, _58_ hospital, motor-car and firE．Insurance can be rather expensive but most people buy insurance of some kinD．Insurance is something _59_ people buy and hope they will _60_ neeD．_________
A．predict
B．ahead
C．in advance
D．earlier

【◆参考答案◆】：D

(7)【◆题库问题◆】：[单选] 影响细胞膜上单纯扩散的因素是（　　）
A．膜两侧的不同物质的浓度差
B．扩散通量与膜两侧的浓度差成反比
C．与物质的脂溶性有关
D．水溶性物质大于脂溶性物质
E．需要载体的协助

【◆参考答案◆】：C

【◆答案解析◆】：略

(8)【◆题库问题◆】：[单选,材料题] What job will be done the day beforethe festival begins?回答下面的题目Student Volunteers Needed!OnSaturday, December 12th,from 10 A．M．until 4 P． M． ,Carverton Middle School will be holding a music festival in the schoolgymnasium． The special event willfeature a variety ofprofessional musicians and singers．TaskTimeDateMake posters1P．M．一4 P．M．December 5thSet up gym11A．M．一4 P．M．December 1thHelp performers9A．M．一4 P．M．December 12thWelcome guests10 A．M．一2 P．M．December 12thClean up gym4P．M．一7 P．M．December 12thInterested students should speak with Ms．Braxton,the music teacher．Students who would like to help at the festival musthave written permission from a parent or guardian．What time will the festival begin?
A．Making posters．
B．Setting up the gym．
C．Cleaning up the gym．
D．Helping the performers．

【◆参考答案◆】：B

【◆答案解析◆】：音乐节的头一天应该做什么。12日举行音乐节，头一天应是11日。表格的第二行，把体育馆布置好。选项B是正确的。

(9)【◆题库问题◆】：[单选] 下列各组词语，只有一个错别字的一组是(　　)
A．详实词不达意冷寞一筹莫展
B．痉孪不经之谈偏辟励精图治
C．风靡蘖根祸种攀缘始作俑者
D．倾轧气冲宵汉弘扬扑溯迷离

【◆参考答案◆】：C

(10)【◆题库问题◆】：[单选] 第一心音到第二心音期间代表（　　）
A．心室舒张期
B．心室收缩期
C．心房收缩期
D．心房舒张期
E．等容收缩期

【◆参考答案◆】：A