皮皮学，免费搜题
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搜题
【单选题】
下列哪项不是肺结核患者的常见症状
A.
咳嗽
B.
咳痰
C.
咳血
D.
发热
E.
打喷嚏
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知识点：
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举一反三
【单选题】关系模式中2NF是指()。
A.
满足1NF且不存在非主属性对码的传递依赖
B.
满足1NF且不存在非主属性对码部分依赖
C.
满足1NF且不存在非主属性
D.
满足1NF且不存在组合属性
查看完整题目与答案
【单选题】The amount of lift can be increased by increasing the following parameters except .
A.
angle of attack
B.
critical angle of attack
C.
surface area of the airfoil
D.
velocity of the air
查看完整题目与答案
【单选题】a symmetrical airfoil is designed with an equal amount of above and below the chord line.
A.
pressure
B.
lift
C.
camber
D.
angle
查看完整题目与答案
【单选题】关系模式中2NF是指（ ）。
A.
满足1NF且不存在非主属性对关键字的传递依赖现象
B.
满足1NF且不存在非主属性对关键字部分依赖现象
C.
满足1NF且不存在非主属性
D.
满足1NF且不存在组合属性
查看完整题目与答案
【单选题】The designers of an airraft have set up the maximum weight, based on the amount of ____ the wings or rotors can provide under operation conditions for which the aircraft is designed.
A.
weight
B.
lift
C.
thrust
D.
drag
查看完整题目与答案
【单选题】What conclusion can be drawn from the passage?
A.
Richard Bove and Doug Elliott must be opponents in their real life.
B.
The treasury officials had made a big mistake to lift up the amount of capital banks are required to hold in reserve.
C.
Banks will raise the loan price by 4% if they are required to raise the amount of capital reserves.
D.
The economy recession is likely to last for several years in the country.
查看完整题目与答案
【单选题】词汇与结构 The maximum weight of an aircraft is based on the amount of ______ the wings can provide.
A.
drag
B.
lift
C.
weight
D.
thrust
查看完整题目与答案
【简答题】“冷清”、“热闹”、“洁白”等是形容词，能受程度副词的修饰，例如“十分冷清，很冷清”、“特别热闹，非常热闹”、“很洁白，特别洁白”；“雪白”、“笔直”、“冰凉”、“深绿”、“金黄”、“浅红”、“白茫茫”、“金灿灿”、“绿油油”等也都是形容词，但却不能受程度副词的修饰，为什么?
查看完整题目与答案
【单选题】The ____ are plates fitted to upper surface of the wing and creating an increased amount of drag together with a decreased amount of lift.
A.
ailerons
B.
slats
C.
trim tabs
D.
spoilers
查看完整题目与答案
【单选题】is a common factor in airline accidents and a small amount of icing or coarse frost can greatly impair the ability of a wing to develop adequate lift.
A.
Windshear
B.
Icing
C.
Lightning
D.
Turbulence
查看完整题目与答案
相关题目：
【单选题】关系模式中2NF是指()。
A.
满足1NF且不存在非主属性对码的传递依赖
B.
满足1NF且不存在非主属性对码部分依赖
C.
满足1NF且不存在非主属性
D.
满足1NF且不存在组合属性
查看完整题目与答案
【单选题】The amount of lift can be increased by increasing the following parameters except .
A.
angle of attack
B.
critical angle of attack
C.
surface area of the airfoil
D.
velocity of the air
查看完整题目与答案
【单选题】a symmetrical airfoil is designed with an equal amount of above and below the chord line.
A.
pressure
B.
lift
C.
camber
D.
angle
查看完整题目与答案
【单选题】关系模式中2NF是指（ ）。
A.
满足1NF且不存在非主属性对关键字的传递依赖现象
B.
满足1NF且不存在非主属性对关键字部分依赖现象
C.
满足1NF且不存在非主属性
D.
满足1NF且不存在组合属性
查看完整题目与答案
【单选题】The designers of an airraft have set up the maximum weight, based on the amount of ____ the wings or rotors can provide under operation conditions for which the aircraft is designed.
A.
weight
B.
lift
C.
thrust
D.
drag
查看完整题目与答案
【单选题】What conclusion can be drawn from the passage?
A.
Richard Bove and Doug Elliott must be opponents in their real life.
B.
The treasury officials had made a big mistake to lift up the amount of capital banks are required to hold in reserve.
C.
Banks will raise the loan price by 4% if they are required to raise the amount of capital reserves.
D.
The economy recession is likely to last for several years in the country.
查看完整题目与答案
【单选题】词汇与结构 The maximum weight of an aircraft is based on the amount of ______ the wings can provide.
A.
drag
B.
lift
C.
weight
D.
thrust
查看完整题目与答案
【简答题】“冷清”、“热闹”、“洁白”等是形容词，能受程度副词的修饰，例如“十分冷清，很冷清”、“特别热闹，非常热闹”、“很洁白，特别洁白”；“雪白”、“笔直”、“冰凉”、“深绿”、“金黄”、“浅红”、“白茫茫”、“金灿灿”、“绿油油”等也都是形容词，但却不能受程度副词的修饰，为什么?
查看完整题目与答案
【单选题】The ____ are plates fitted to upper surface of the wing and creating an increased amount of drag together with a decreased amount of lift.
A.
ailerons
B.
slats
C.
trim tabs
D.
spoilers
查看完整题目与答案
【单选题】is a common factor in airline accidents and a small amount of icing or coarse frost can greatly impair the ability of a wing to develop adequate lift.
A.
Windshear
B.
Icing
C.
Lightning
D.
Turbulence
查看完整题目与答案