【单选题】《诗经 · 秦风 · 蒹葭》中体现 “ 伊人在水一方,求之不得 ” 的诗句是()
【多选题】《诗经 · 秦风•蒹葭》中体现“伊人在水一方,求之不得”的诗句是( )
【单选题】The text seems to suggest that ______.
A.
while in America, do as the Americans do
B.
most Americans are impatient
C.
when you are riding a bus in the U. S. , be careful of the angry driver
D.
if you want to get help from American city people, please let them know
【单选题】One of the most important and comprehensive collections of Chinese export porcelain in America is on view at the Metropolitan Museum of Art in New York. Featuring more than 80 works drawn from the Mus...
A.
The exhibition includes more than 80 works drawn from the Museum's own collections.
B.
The exhibition includes over 80 works dating from early 14th century to later 19th century.
C.
The exhibition includes bowls and vases contributed by Mary and Marvin Davidson.
D.
The exhibition includes the spotlighted well-known facet of the Museum's collections.
【多选题】7 如图 2 为卢瑟福的 α 粒子散射实验的经典再现,用放射性元素发出的 α 粒子轰击金箔,用显微镜观测在环形荧光屏上所产生的亮点,根据实验现象分析( )
A.
.在荧光屏上形成的亮点是由 α 粒子在金箔上打出的电子产生的
B.
.该实验证明原子几乎全部质量和全部正电荷都集中在一个很小的体积内
C.
.在荧光屏上观测到极少数的 α 粒子发生了大角度的偏转
D.
.该实验中 α 粒子由于和电子发生碰撞而发生了大角度的偏转
【判断题】用1、3、5组成的所有的三位数,一定都是3的倍数。 ( )
【判断题】低纯度对比,可以造成一种特殊的含混气氛,有神秘感;高纯度对比,色彩效果鲜明,引人注目。