皮皮学，免费搜题
登录
搜题
【单选题】
下列加点词语的解释全正确的一项是( )。A.
. 距 关,诸侯,可尽。(拒绝) 数 目,举所佩玉玦以示之者三,默然不应。(音 sh ù ,屡次,多次)
B.
. 从山下, 道 芷阳间行(小路) 沛公则置车骑,脱身(舍弃,丢下)
C.
.今沛破咸阳……还 军 霸上,以待大王来。(军队) 沛公 军 霸上,未得与相见。(驻军,驻扎) 当是时, 军 在鸿门下,沛公军在霸上,四十里。(军队)
D.
. 君安与有 故 ?(缘故) 大行不顾细谨,大礼不 辞 小让。(讲究)
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【判断题】Business is the human activity related to material things and can be found in all societies.
A.
正确
B.
错误
【单选题】The wavelength of an electron with kinetic energy, 50 eV is ( ).
A.
1.7 nm
B.
3.4 nm
C.
0.34 nm
D.
0.17 nm
【简答题】(a) What is the wavelength of an X-ray photon of energy 10.0 keV? (b) What is the wavelength of a gamma-ray photon of energy 1.00 MeV? (c) What is the range of energies of photons of visible light wit...
【单选题】根据物质流动是否主要由人类活动引起可分成（ ）两类The material flow can be divided into the following（ ）two categories according to whether the material flow is mainly caused by human activity
A.
物质生物地球化学流动和人为流动 Material biogeochemical flow and its anthropogenic cycle
B.
物质随大气流动和随水体流动 Material flowing with the atmosphere and with the water body
C.
物质工业流动和农业流动 Material industrial and agricultural flows
D.
物质产业流动和消费流动 Material industry flow and consumption flow
【单选题】The wavelength of an EM wave is 0.44 μm, then what is its frequency?
A.
6.82e10 Hz
B.
0.15e(-14) Hz
C.
6.82e5 GHz
D.
1.32e2 Hz
【单选题】Due to factors like geographic position, atmospheric circulation, _______ and human activity, China can be divided into three climate zones.
A.
temperature
B.
altitude
C.
longitude
D.
precipitation
【简答题】what the wavelength of an electromagnetic wave required to image an object?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
