2022学历考试成考模拟冲刺试卷108

1. [单选题]在空间直角坐标系中，方程x2-4(y-1)2=0表示

A. 两个平面
B. 双曲柱面
C. 椭圆柱面
D. 圆柱面

2. [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. never
B. ever
C. sometimes
D. often

3. [单选题]He ______ when the bus came to a sudden stop．

A. was almost hurt
B. was to hurt himself
C. was hurt himself
D. was hurting himself

4. [单选题]Either of__________is quite capable of the work．

A. girl
B. the girl
C. girls
D. the girls

5. [单选题]函数Y=x3+2sinx（　　） (A)是奇函数 (B)是偶函数 (C)既是奇函数又是偶函数 (D)既不是奇函数又不是偶函数

A. A

6. [单选题]Who do you think it is that he will have_______ the letter?

A. to post
B. posted
C. post
D. posting

7. [单选题]设集合M={X∈R|X≤-1}，集合N={∈R|Z≥-3}，则集合MnN=（　）

A. {X∈R|一3≤X≤-1}
B. {Z∈R|Z≤-1}
C. {X∈R|X≥一3}
D. φ

8. [多选题]尿的浓缩与稀释机褂取决于（　　）

A. 肾小球滤过^{(glomerular filtration)}率
B. 血浆胶体渗透压
C. 肾髓质渗透梯度
D. ADH的分泌
E. 血浆晶体渗透压^{(crystalloid osmotic pressure)}

9. [单选题]如果神经纤维动作电位持续时间^{(action potential duration)}为2ms，那么，该神经纤维每秒内所能产生和传导的动作电位数不可能^(impossible)超过（　　）

A. 100次
B. 200次
C. 300次
D. 400次
E. 500次

10. [单选题]肺源性心脏病右心衰（　　）

根据材料回答下面的题目下述疾病查体见于哪项?慢性肝炎（　　）

A. 局限性湿啰音
B. 两肺底湿啰音
C. 双肺满布湿啰音
D. 局限性干啰音
E. 双肺满布哮鸣音

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