What is the distance between Catalina and Los Angeles？
A. 19 km．
B. 35 km．
C. 90 km．
D. 300 km．
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How do all food chains break？ All food chains are broken if______
A. one kind of animal is eaten up
B. one kind of plant is destroyed
C. one kind of animal eats another
D. one of the links is destroyed
Who do you think
A. Their children.
B. Their niece and nephew.
C. Their friend s children.
D. Their neighbor s kids.
A.aboutB.inC.ofD.on
A. about
B. in
C. of
D. on
【单选题】对价值小、数量多，不便于一一清点的财产应该采用()进行盘点。
A. 逐一盘点法
B. 测量计算法
C. 对账单法
D. 抽样盘点法
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