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【单选题】
清洁水BOD一般应小于A.
1mg/L
B.
2mg/L
C.
3mg/L
D.
4mg/L
E.
5mg/L
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举一反三
【单选题】一质点沿x轴运动，其速度随时间的变化关系为v=5-t2（SI）.在t=1s到t=2s的时间内，质点的（ ）
A.
加速度与速度方向相反，速率不断减小
B.
加速度与速度方向相反，速率不断增大
C.
加速度与速度方向相同，速率不断减小
D.
加速度与速度方向相同，速率不断增大
【简答题】种子的发芽过程一般分为( )、 ( )、 ( ) 3 个阶段。
【简答题】n.文明（社会）A. civilization
【单选题】What did Bryse do with the eggs Juli semt him?
A.
Threw them away.
B.
He took them home and cooked.
C.
...
【单选题】Based on the article, we can draw a conclusion that______.
A.
international accounting practice need common standards
B.
international companies all adopt the standards
C.
there are more advantages of standardization than disadvantages
D.
there were 41 international accounting standards in 1973
【多选题】What are the three levels can international accounting be defined of?
A.
General level
B.
Supranational accounting
C.
Company level
D.
None of above
【单选题】—What Jim last weekend? —He did his homework.
A.
do, did
B.
did, do
C.
did, did
D.
do, do
【单选题】What did the Viking probably do in the box?
A.
The Viking stabbed into the cow and roared with laughter.
B.
The Viking scared the people into a complete silence.
C.
The Viking flung wide his arms and legs, acting like a fool.
D.
The Viking went unconscious due to his fear of the rumenotomy.
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