_________

【名词&注释】

直角三角形(right triangle)、等边三角形(equilateral triangle)、肺气肿(emphysema)、等腰三角形(isosceles triangle)、锐角三角形(acute triangle)

[单选题]_________

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. such as
B. for example
C. that
D. the same as

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学习资料：

[单选题]

[单选题]已知△ABC的顶点为A(-4，1)，B(1，-1)，C(3，4)，则△ABC是（　　） (A)锐角三角形^{(acute triangle)}(B)直角三角形 (C)等边三角形(D)等腰三角形

A. D

[单选题]肝脓肿（　　）

根据以下选项，回答下面的题目：A．肝浊音区上升，肝区叩痛阴性B．肝浊音区下降，肝区叩痛阴性 C．肝区叩诊鼓音，肝区叩痛阴性D．肝绝对浊音界下移，肝区叩痛阴性E．肝浊音区上升，肝区叩痛阳性 肺气肿（　　）

A. D

[单选题]根据以下选项，回答{TSE}题：A．脐水平以上静脉血流向上，脐以下血流向下 B．脐水平以上静脉血流向下，脐以下血流向上C．腹壁静脉血流全部向上 D．腹壁静脉血流全部向下 E．以脐为中心血流向四周 {TS}上腔静脉阻塞时，腹壁静脉血流方向为（　　）

A. D

[单选题]吸入气中C02浓度达20%时，机体会出现（　　）

A. 呼吸浅快
B. 呼吸深快
C. 呼吸抑制
D. 呼吸深慢
E. 肺通气量增大1倍以上

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