等容收缩期的特点是(  )等容收缩期的特点是(  )

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等容收缩期的特点是(  )

(1)【◆题库问题◆】:[多选] 等容收缩期的特点是(  )
A.心室容积不发生改变
B.心室内压下降速度最快
C.房室瓣和半月瓣都关闭
D.心室内压高于动脉压
E.心室内压力达到最高值.

【◆参考答案◆】:A,C

(2)【◆题库问题◆】:[单选]“怎样建设社会主义”的核心问题是
A.社会主义发展道路问题
B.社会主义根本任务问题
C.社会主义发展战略问题
D.社会主义发展阶段问题

【◆参考答案◆】:D

(3)【◆题库问题◆】:[单选] As the teacher has announced,________will be open thmorrow.
A.the school
B.SO school
C.school
D.SO the school

【◆参考答案◆】:C

(4)【◆题库问题◆】:[单选] 从0,1,2,3,4,5这六个数字中,每次取出三个数相乘,可以得到不同乘积的个数是( )
A.10
B.11
C.20
D.120

【◆参考答案◆】:B

(5)【◆题库问题◆】:[单选] 小腿三头肌(  )
A.由腓骨长肌和比目鱼肌构成
B.比目鱼肌起自内、外侧髁
C.以跟腱止于跟骨结节
D.可使足跖屈并内翻
E.受腓总神经支配

【◆参考答案◆】:C

(6)【◆题库问题◆】:[单选] 下列叙述错误的是(  )
A.泌尿系统各器官的功能是生成尿并输送和排出尿
B.左侧肾蒂较右侧者长
C.两肾上端比下端较靠近脊柱
D.肾的上端较下端宽而薄
E.肾的上端内侧附有肾上腺

【◆参考答案◆】:A

【◆答案解析◆】:略

(7)【◆题库问题◆】:[单选]中国新民主主义革命的中心问题是
A.无产阶级的领导权问题
B.农民问题
C.革命对象问题
D.革命动力问题

【◆参考答案◆】:B

(8)【◆题库问题◆】:[单选] Oceania isa________ landmass.
A.separated
B.B separate
C.separating
D.separately

【◆参考答案◆】:B

(9)【◆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.include
B.including
C.as well as
D.also

【◆参考答案◆】:B

(10)【◆题库问题◆】:[单选] Have you ever beento the museum_________ was built last year?
A.which
B.where
C.when
D.what

【◆参考答案◆】:A

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