皮皮学，免费搜题
登录
搜题
【单选题】
关于婴儿皮肤特性的描述正确的是（）。A.
保护功能强
B.
体温调节能力弱
C.
新陈代谢缓慢
D.
皮肤渗透作用弱
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】Which electrons are used to create images where contrast is proportional to average atomic number?
A.
Absorbed electrons
B.
Backscattered electrons
C.
Secondary electrons
D.
Surface electrons
【多选题】原油储罐(金属罐)发生沸溢和喷溅的典型征兆是( )。
A.
罐壁会剧烈抖动，伴有强烈的噪声(液体剧烈沸腾和金属罐壁变形所引起的)。
B.
烟雾增多。
C.
火焰更加明亮，火舌尺寸变大，形似火箭。
D.
油罐火灾一旦出现沸溢和喷溅的先兆，消防人员和器材必须撤到安全地带，以防造成更大损伤。
【简答题】It is not scientific for a normally inactive person to start a program of ( 剧烈的;强烈的 ) exercise suddenly.
【多选题】What is the source of the high-energy electrons used for ATP production?
A.
The source of the high-energy electrons that power the proton pumping differs widely between different organisms and different processes.
B.
During cell respiration—the energy-generating process that takes place in both mitochondria and aerobic bacteria—these electrons are ultimately derived from sugars or fats.
C.
In photosynthesis, the high-energy electrons come from the organic green pigment chlorophyll, which captures energy from sunlight.
D.
And many single-celled organisms (archaea and bacteria) use inorganic substances such as hydrogen, iron, and sulfur as the source of the high-energy electrons that they need to make ATP.
【单选题】Suppose that, in each trial, either electrons or protons had been added to each sphere to produce its charge. In Trial 3, which of the 2 types of particles would have been added to Sphere X, and which...
A.
electrons；protons
B.
protons；electrons
C.
electrons；electrons
D.
protons；protons
【简答题】The electrons that participate in chemical bonds are the valence electrons, which are the electrons found in an atom's outermost shell.
【简答题】The required number of electrons in noble gases’ outer shell is
【简答题】a. 强烈的,剧烈的
【简答题】强烈的, 剧烈的,认真的,热情的 a.
相关题目：