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【单选题】
接穗的()是春季枝接极为重要的工作。
A.
保存
B.
贮藏
C.
保护
D.
保管
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举一反三
【单选题】以下哪个是液化天然气的缩写?
A.
CNG
B.
LNG
C.
LPG
D.
BOG
【单选题】液化天然气的缩写是:
A.
CNG
B.
LNG
C.
LPG
【单选题】Can you find _______ in today's newspaper? [     ]
A.
something important
B.
important something
C.
anything important
D.
important anything
【单选题】80C51单片机的定时器 T1用作定时方式时是
A.
由内部时钟频率定时,一个时钟周期加 1
B.
由内部时钟频率定时,一个机器周期加 1
C.
由外部时钟频率定时,一个时钟周期加 1
D.
由外部时钟频率定时,一个机器周期加 1
【单选题】﹣Can I finish my homework tomorrow? ﹣__________. You must finish it today?
A.
Yes, you can        
B.
No, you can’t          
C.
No, you needn’t
【单选题】Which of the following can't you find on Mars today?
A.
atomsphere
B.
oceans
C.
ice
D.
sand
【单选题】液化天然气的缩写是
A.
.LNG
B.
.CNG
C.
.ANG
D.
.NGL
【单选题】LNG 是( )的英文缩写。
A.
液化石油气
B.
液化天然气
C.
液化氨气
【单选题】When you go to the airport today, you will ______.
A.
strain to find middle aged men in a jacket and tie.
B.
strain to find young people in their undershirt.
C.
easily find men over 60 wearing flip-flops.
D.
easily find a man wearing a jacket and tie.
【单选题】. If you compare food costs today ______ of a year ago, you will find the difference.
A.
to that
B.
to them
C.
with that
D.
with those
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