皮皮学，免费搜题
登录
搜题
【单选题】
下列四说法： ①不等式0.5 2x ＞0.5 x-1 的解集为（-1，+∞）； ②已知2 m =3 n =36，则 1 m + 1 n 的值为 1 2 ； ③函数y=3+log a （2x+3），（a＞0，a≠1）的图经过的定点P的坐标为（-1，3）； ④已知集合A={y|y=log 2 x，x＞1}， B={y|y=( 1 2 ) x ，x＞1} ，则 A∩B={y|0＜y＜ 1 2 } ． 其中正确的说法是（　　）
A.
②③
B.
②③④
C.
①③④
D.
①②③④
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Rising sea levels and drought caused by global warming could          an increasing number of natural disasters.
A.
try out
B.
come about
C.
result in
D.
get into
查看完整题目与答案
【单选题】关于气象．下列说法错误的是：
A.
信风在北半球为东北信风，在南半球为东南信风
B.
天气是指相对快速的冷热改变或是暂时的冷热条件，气候则是指一般情况下具有的天气状况或长期存在的主要天气状况
C.
在气象学上对流雨又被称为锋面雨
D.
台风和飓风都是产生于热带洋面上的强烈热带气旋
查看完整题目与答案
【多选题】RFID系统按照工作频率分类，可以分为
A.
低频
B.
高频
C.
超高频
D.
微波
查看完整题目与答案
【单选题】Earthquakes, volcanic eruptions, and unusual weather have caused many more natural disasters adversely affecting people in the past decade than in previous decades. We can conclude that the planet Ear...
A.
The weather and earth sciences have provided better early warning systems for natural disasters in the past decade than in previous decades.
B.
International relief efforts for victims of natural disasters have been better organized in the past decade than in previous decades.
C.
There are records of major earthquakes, volcanic eruptions, droughts, landslides, and floods occurring in the distant past, as well as in the recent past.
D.
Population pressures and poverty have forced increasing numbers of people to live in areas prone to natural disasters.
E.
There have been no changes in the past decade in people's land-use practices that could have affected the climate.
查看完整题目与答案
【判断题】台风在北半球是以逆时针方向旋转。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在北半球，台风的危险半圆是指（）。
A.
左半圆
B.
右半圆
C.
上半圆
D.
下半圆
查看完整题目与答案
【单选题】台风在北半球是
A.
逆时针向上
B.
逆时针向下
C.
顺时针向上
D.
顺时针向下
查看完整题目与答案
【单选题】What led to the idea of forming the Red Cross?
A.
War.
B.
Providing services.
C.
Natural disasters.
D.
Providing blood.
查看完整题目与答案
【判断题】台风在北半球是以顺时针方向旋转。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It can be inferred from Paragraph 6 that______.
A.
if one area was struck by natural disasters once, no habitation should be allowed there any more
B.
the government shouldn't lift one policy just because it has some unpredicted side effects
C.
people living in hazardous places would rather risk their lives for a high insurance compensation
D.
the premium the insurance companies charge is not positively correlated with the risk
查看完整题目与答案
相关题目：
【单选题】Rising sea levels and drought caused by global warming could          an increasing number of natural disasters.
A.
try out
B.
come about
C.
result in
D.
get into
查看完整题目与答案
【单选题】关于气象．下列说法错误的是：
A.
信风在北半球为东北信风，在南半球为东南信风
B.
天气是指相对快速的冷热改变或是暂时的冷热条件，气候则是指一般情况下具有的天气状况或长期存在的主要天气状况
C.
在气象学上对流雨又被称为锋面雨
D.
台风和飓风都是产生于热带洋面上的强烈热带气旋
查看完整题目与答案
【多选题】RFID系统按照工作频率分类，可以分为
A.
低频
B.
高频
C.
超高频
D.
微波
查看完整题目与答案
【单选题】Earthquakes, volcanic eruptions, and unusual weather have caused many more natural disasters adversely affecting people in the past decade than in previous decades. We can conclude that the planet Ear...
A.
The weather and earth sciences have provided better early warning systems for natural disasters in the past decade than in previous decades.
B.
International relief efforts for victims of natural disasters have been better organized in the past decade than in previous decades.
C.
There are records of major earthquakes, volcanic eruptions, droughts, landslides, and floods occurring in the distant past, as well as in the recent past.
D.
Population pressures and poverty have forced increasing numbers of people to live in areas prone to natural disasters.
E.
There have been no changes in the past decade in people's land-use practices that could have affected the climate.
查看完整题目与答案
【判断题】台风在北半球是以逆时针方向旋转。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在北半球，台风的危险半圆是指（）。
A.
左半圆
B.
右半圆
C.
上半圆
D.
下半圆
查看完整题目与答案
【单选题】台风在北半球是
A.
逆时针向上
B.
逆时针向下
C.
顺时针向上
D.
顺时针向下
查看完整题目与答案
【单选题】What led to the idea of forming the Red Cross?
A.
War.
B.
Providing services.
C.
Natural disasters.
D.
Providing blood.
查看完整题目与答案
【判断题】台风在北半球是以顺时针方向旋转。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It can be inferred from Paragraph 6 that______.
A.
if one area was struck by natural disasters once, no habitation should be allowed there any more
B.
the government shouldn't lift one policy just because it has some unpredicted side effects
C.
people living in hazardous places would rather risk their lives for a high insurance compensation
D.
the premium the insurance companies charge is not positively correlated with the risk
查看完整题目与答案