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【简答题】
生物多样性包括 、 、 和 四个层次。
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A man’s first job______.
A.
is never the right job for him.
B.
should not be regarded as his final job.
C.
should not be charged or people will become suspicious of his ability to hold any job.
D.
is primarily an opportunity to fit himself for this final job.
【简答题】共同海损的牺牲和费用，应由（）、（）和（）三方按最后获救价值的比例分摊。
【单选题】What is the first step to process an order?
A.
Determining the transportation mode, carrier, and loading sequence.
B.
Inventory assignment and preparing picking lists.
C.
Warehousing picking and packing.
D.
Preparing shipping documents.
【简答题】共同海损应由 、 、 三方按最后获救价值多寡比例分摊。
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