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【单选题】
查询订购单号（字符型，长度为4）尾字符是1的错误命令是（）。A.
SELECT＊FROM订单WHERE SUBSTR(订购单号，4）＝，，1”
B.
SELECT＊FROM订单WHERE SUBSTR（订购单号，4，1卜，，1”
C.
SELECT＊FROM订单WHERE”1”＄订购单号
D.
SELECT＊FROM订单WHERE RIGHT（订购单号，1）＝"1”
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举一反三
【单选题】婴儿每日每公斤体重需能量为:
A.
100kcal/kg
B.
110kcal/kg
C.
120kcal/kg
D.
130kcal/kg
E.
150 kcal/kg
【单选题】Human Space Exploration While scientists are searching the cause of the Columbia disaster, NASA is moving ahead with plans to develop a new craft that would replace shuttles(航天飞机)on space station miss...
A.
control the International Space Station．
B.
carry astronauts to the International Space Station．
C.
transport equipment to the International Space Station
D.
train astronauts in space flights．
【单选题】婴儿每日每公斤体重需能量为:
A.
100 kcal/kg
B.
110 kcal/kg
C.
120 kcal/kg
D.
130 kcal/kg
E.
40 kcal/kg
【单选题】Human Space Exploration While scientists are searching the cause of the Columbia disaster, NASA is moving ahead with plans to develop a new craft that would replace shuttles (航天飞机) on space station mi...
A.
control the International Space Station.
B.
carry astronauts to the International Space Station.
C.
transport equipment to the International Space Station.
D.
train astronauts in space flights.
【单选题】根据下列文章,请回答 36～40 题。 Human Space Exploration While scientists are searching the cause of the Columbia disaster, NASA．is moving ahead with plans to develop a new craft that would replace shuttles(航天飞机)o...
B.
carry astronauts to the International Space Station.
C.
transport equipment to the International Space Station.
D.
train astronauts in space flights.
【单选题】婴儿每日每公斤体重需要能量为
A.
250kJ(60kcal)
B.
419kJ(100kcal)
C.
460kJ(110kcal)
D.
502kJ(120kcal)
E.
205kJ(50kcal)
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