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【单选题】
下列结构中那个是与深感觉传导通路无关的结构
A.
脊神经节
B.
脊髓灰质后角
C.
核 . 楔
D.
内侧
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【简答题】According to a news report, the 309 service staffs working in the Beijing-Shanghai high speed railway were selected from more than 5,000 employees of the Beijing Railway Bureau. These members must mee...
【单选题】The common rail engines show great advantages in combustion especially______ .
A.
at high speed and full load
B.
at low speed and part load
C.
when heavy fuel oil is used at sea
D.
when the ships run long distance
【单选题】When the students heard the news, all of them were in _____.
A.
higher spirit
B.
high spirits
C.
a high spirit
D.
a higher spirits
【单选题】下列化合物中具有强烈天蓝色荧光的是()
A.
七叶内脂
B.
大黄素
C.
麻黄碱
D.
甘草酸
E.
大豆皂苷
【单选题】Look, the roller coaster !
A.
how high speed; is moving
B.
what high speed; is moving at
C.
how a high speed; is moving at
D.
what a high speed; is moving
【多选题】Tickets on high-speed trains are generally divided into:____________________    , business class         seat and luxury soft sleeper.
A.
second class sea
B.
first class sea
C.
VIP class seat
D.
soft sleeper
【单选题】下列化合物中具有强烈天蓝色荧光的是( )
A.
七叶内酯
B.
小檗碱
C.
大黄素
D.
芦丁
【单选题】下列化合物中具有强烈天蓝色荧光的是:
A.
七叶内酯
B.
大黄素
C.
麻黄碱
D.
甘草酸
E.
大豆皂苷
【单选题】光子能量E与波长λ、频率ν和速度C及h(普朗克常数)之间的关系为( )
A.
E=h/ν
B.
E=h/ν=hλ/c
C.
E=hν=hc/λ
D.
E=cλ/h
【单选题】下列化合物中具有强烈天蓝色荧光的是( )
A.
七叶内脂
B.
大黄素
C.
麻黄碱
D.
甘草酸
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