皮皮学，免费搜题
登录
搜题
【单选题】
当尼克告诉带猫头鹰眼镜的人“别人也都没能来”时,他的表情是______。A.
大吃一惊
B.
极度愤怒
C.
深表歉意
D.
可以理解
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
【单选题】The de Broglie wavelength of an electron with kinetic energy of 100 keV is ( )
A.
3.702 pm
B.
3.702 nm
C.
3.702 fm
D.
3.702 mm
【单选题】It has been predicted that AI can replace human in every activity in ________.
A.
2021
B.
2031
C.
2051
D.
2061
【单选题】A rise in human sympathetic vasomotor fibre activity
A.
enhances local blood flow through a tissue
B.
increases the capillary filtration rate
C.
can raise arterial blood pressure
【单选题】The wavelength of an electron whose velocity is 1.7 × 10 4 m/s and whose mass is 9.1 × 10 -28 g is __________ m.
A.
4.3 × 10 -11
B.
12
C.
4.3 × 10 -8
D.
2.3 × 10 7
E.
2.3 × 10 -7
【单选题】Packaging is an activity closely associated with the revolution of society and , can be __ to human beginning .
A.
traced back
B.
come back
C.
tracked back
D.
gone back
【单选题】The average wavelength of visible light is2,000 times ______ the diameter of an atom.
A.
much as
B.
as great
C.
greater than
D.
more than that
【单选题】The wavelength of a standing wave in an open basin is ( ) the length of the basin.
A.
'1/2
B.
'1/3
C.
'3/4
D.
'1/4
E.
'2/3
相关题目：
参考解析：
知识点：
题目纠错 0
发布
