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【简答题】
糖脂是细胞膜的重要组分,其中____是最简单的糖脂,只有一个葡萄糖或半乳糖残基与____相连接。
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举一反三
【单选题】The most significant commodities carried along the Silk Road was not silk, but_______
A.
culture
B.
silk
C.
ceramics
D.
religion
【简答题】A．Silk worms. B．Traders. C．Textile manufacturers. D．Silk weavers.
【单选题】The Silk Road refers to the ancient trade route connecting Asia Continent and European Continent, usually it can be classified into ___________，Southern Silk Road on the land and the Silk Road on the ...
A.
Northern Silk Road on the land
B.
Eastern Silk Road on the sea
C.
Western Silk Road on the land
D.
Northern Silk Road on the sea
【单选题】在下面的Visual FoxPro表达式中，运算结果不为逻辑真的是（ ）。
A.
EMPTY(SPACE(0))
B.
LIKE(’xy*’，’xyz’)
C.
AT(’xy’，’abcxyz ’)
D.
ISNULL(．NULL．)
【单选题】Silk ______ one of the primary goods traded along the Silk Road by about 100 BC.
A.
had become
B.
reject
C.
control
D.
abandon
【单选题】在下面的Visual FoxPro表达式中,不正确的是().
A.
{^2001-05-01 10:10:10AM}-10
B.
{^2001-05-01}-DATE()
C.
{^2001-05-01 10:10:10 AM}+DATE()
D.
{^2001-05-01 10:10:10 AM}+1000
【单选题】The Silk Road refers to the ancient trade route connecting Asia Continent and European Continent, usually it can be classified into ___________ , Southern Silk Road on the land and the Silk Road on th...
A.
Northern Silk Road on the land
B.
Eastern Silk Road on the sea
C.
Western Silk Road on the land
D.
A. Northern Silk Road on the sea
【单选题】Many clothing manufacturers now substitute artificial silk _____ natural silk to cut down costs of production．
A.
with
B.
by
C.
for
D.
of
【单选题】在下面的Visual FoxPro表达式中,不正确的是( )。
A.
{^2002-05-01 10：10：10 AM}-10
B.
{^2002-05-01}-DATE()
C.
{^2002-05-01}+DATE()
D.
{^2002-05-01}+[1000]
【单选题】The most significant commodities carried along the Silk Road was not silk, but ( )
A.
culture
B.
religion
C.
silk
D.
ceramics
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