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参考答案：
举一反三
【单选题】Unfortunately when I arrived she ______, so we only had time for a few words.
A.
has just left
B.
just left
C.
had just left
D.
was just leaving
查看完整题目与答案
【单选题】要使10g棕榈仁油完全皂,需要加入( )g氢氧化钠。(棕榈仁油的皂化值取250)。
A.
1.79
B.
3.5
C.
2.5
D.
25
查看完整题目与答案
【单选题】一Was he sorry for what he’d done? 一 [     ]
A.
No wonder
B.
Well done
C.
Not really
D.
Go ahead
查看完整题目与答案
【单选题】要使10g棕榈仁油完全皂，需要加入（     ）g氢氧化钠。（棕榈仁油的皂化值取250）。
A.
1.79
B.
3.50
C.
2.50
D.
25.00
查看完整题目与答案
【单选题】Unfortunately, when I dropped in, Dr. Green ______, so we only had time for a few words.
A.
just left
B.
has just left
C.
had just left
D.
was just leaving
查看完整题目与答案
【单选题】Unfortunately, when I dropped in, Professor Smith ________, so we only had time for a few words.
A.
has just left
B.
had just left
C.
just left
D.
was just leaving
查看完整题目与答案
【单选题】—Amy , I would like your uncle to help me repair the computer. —Sorry, he _____help you today . He won’t come back until tomorrow.
A.
shouldn’t
B.
may not
C.
can’t
D.
mustn’t
查看完整题目与答案
【简答题】A．He was sorry they could never play ball together. B．He was sorry he could never tell story to him. C．He was sorry he was too old to play basketball and stuff. D．He was sorry that he was too occupied...
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【单选题】已知一导线全长为 330.01m ,进行内业计算时得到该导线的纵横坐标增量闭合差分别为 fx=+0.03m 和 fy=-0.04m ,则该导线全长闭合差 f 为 _______.
A.
-0.01m
B.
-0.05m
C.
0.05m
D.
0.07m
查看完整题目与答案
【单选题】导线测量中,按近似平差的原别,算得导线坐标增量闭合差fx=0.052m,fy=0.042导线全长∑D=2109.214m,那么导线全长相对闭合差为()。
A.
K=1／31555
B.
K=l／34045
C.
K=1／28450
D.
K=1/16657
查看完整题目与答案
相关题目：
【单选题】Unfortunately when I arrived she ______, so we only had time for a few words.
A.
has just left
B.
just left
C.
had just left
D.
was just leaving
查看完整题目与答案
【单选题】要使10g棕榈仁油完全皂,需要加入( )g氢氧化钠。(棕榈仁油的皂化值取250)。
A.
1.79
B.
3.5
C.
2.5
D.
25
查看完整题目与答案
【单选题】一Was he sorry for what he’d done? 一 [     ]
A.
No wonder
B.
Well done
C.
Not really
D.
Go ahead
查看完整题目与答案
【单选题】要使10g棕榈仁油完全皂，需要加入（     ）g氢氧化钠。（棕榈仁油的皂化值取250）。
A.
1.79
B.
3.50
C.
2.50
D.
25.00
查看完整题目与答案
【单选题】Unfortunately, when I dropped in, Dr. Green ______, so we only had time for a few words.
A.
just left
B.
has just left
C.
had just left
D.
was just leaving
查看完整题目与答案
【单选题】Unfortunately, when I dropped in, Professor Smith ________, so we only had time for a few words.
A.
has just left
B.
had just left
C.
just left
D.
was just leaving
查看完整题目与答案
【单选题】—Amy , I would like your uncle to help me repair the computer. —Sorry, he _____help you today . He won’t come back until tomorrow.
A.
shouldn’t
B.
may not
C.
can’t
D.
mustn’t
查看完整题目与答案
【简答题】A．He was sorry they could never play ball together. B．He was sorry he could never tell story to him. C．He was sorry he was too old to play basketball and stuff. D．He was sorry that he was too occupied...
查看完整题目与答案
【单选题】已知一导线全长为 330.01m ,进行内业计算时得到该导线的纵横坐标增量闭合差分别为 fx=+0.03m 和 fy=-0.04m ,则该导线全长闭合差 f 为 _______.
A.
-0.01m
B.
-0.05m
C.
0.05m
D.
0.07m
查看完整题目与答案
【单选题】导线测量中,按近似平差的原别,算得导线坐标增量闭合差fx=0.052m,fy=0.042导线全长∑D=2109.214m,那么导线全长相对闭合差为()。
A.
K=1／31555
B.
K=l／34045
C.
K=1／28450
D.
K=1/16657
查看完整题目与答案
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