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【判断题】
PMI反映整个国民经济中零售业的升降走向。(    )
A.
正确
B.
错误
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举一反三
【单选题】How many Earths could fit inside the Sun?
A.
One million.
B.
93 million.
C.
Two million.
D.
100 million.
【单选题】The chances of discovering life on Neptune are about a million__________.
A.
at one
B.
for one
C.
to one
D.
against one
【单选题】下列畜禽中有“动物人参”之称的是( )
A.
乌鸡
B.
C.
鸽子
D.
鹌鹑
【单选题】有 “动物人参”之称的是( )
A.
乌鸡肉
B.
兔肉
C.
鸽肉
D.
鹌鹑肉
【单选题】按工程结构分解,下列哪一项属分项工程
A.
城建学校
B.
教学楼
C.
电气照明工程
D.
砖砌内墙
【单选题】It was estimated that the thieves had stolen _____ worth of jewelry from the shop.
A.
one-million-dollar
B.
one million dollar’s
C.
one million dollars’
D.
one million dollars
【判断题】在液力变矩器中,当涡轮转速最高时,产生的环流也最大
A.
正确
B.
错误
【单选题】对光电效应和康普顿效应而言,以下正确的说法是
A.
两种效应中电子和光子组成的系统都服从动量守恒和能量守恒定律
B.
两种效应都属于电子与光子的弹性碰撞过程
C.
两种效应都属于电子吸收光子的过程
D.
光电效应是吸收光子的过程,而康普顿效应则是相当于光子和电子的弹性碰撞过程
【判断题】One million bytes can be represented as 1000K bytes.
A.
正确
B.
错误
【单选题】Thirty-one million Americans are over 60 years of age, and twenty-nine million of them are healthy, busy, productive citizens. By the year 2030, one in every five people in the United States will be o...
A.
They feel lonely.
B.
They are suffering from cancer.
C.
They cannot walk or see or hear well.
D.
They have got heart problems.
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