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【简答题】
已知某河从河源至河口总长L为5500m,其纵断面如图所示,A、B、C、D、E各点地面高程分别是48m、24m、17m、15m、14m,各河段长度l1、 l2、 l3、 l4 、l5 分别为800m、1300m、1400m、2000m,推求河流的平均纵比降。
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【简答题】食物中能量密度最高的营养素是( )。 A.蛋白质 B.脂肪 C.淀粉 D.葡萄糖
【单选题】假设当前时日是1997年9月20日,给出字符串“97年9月”的表达式是()
A.
SUBSTR(DTOC (DATE()),7,2)+”年”+ SUBSTR(DTOC (DATE()),1,2)+”月”
B.
SUBSTR(DTOC (DATE()),7,2)+”年”+ SUBSTR(DTOC (DATE()),2,1)+”月”
C.
YEAR(DATE())+”年”+MONTH(DATE())+”月”
D.
STR( YEAR(DATE(),4)+”年”+ STR(MONTH(DATE()),2)+”月”
【简答题】完形填空。 In the morning, Slim got up and prepared breakfast for his wife as usual.Nicole, his wife was listening to music in the bedroom.__ 1 __， he felt that his body was shaking.Slim had the__ 2 __ res...
【简答题】阅读表达。 In the morning, Slim got up and prepared breakfast for his wife as usual. Nicole, his wife, was listening to music in the bedroom. Suddenly, he felt that his body was shaking. Slim had the rapid...
【简答题】His wife got even ____ ___ ___ ___ ( angry ) when he forgot to buy her a gift on valentine’s day again.
【简答题】In the morning, Slim got up and prepared breakfast for his wife as usual. Nicole, his wife, was listening to music in the bedroom. Suddenly, he felt that his body was shaking. Slim had the rapid respo...
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