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【单选题】
实物配送阶段对物流的研究以()为主A.
生产过程
B.
分销过程
C.
企业内部
D.
社会物流
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举一反三
【单选题】短文 3 It is one of nature’s great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though the plants leaves are bathed in a sea of nitrogen gas....
A.
That of a farmer whose crops have failed because the normal midseason rains did not materialize and no preparations for irrigation had been made.
B.
That of a long-distance runner who loses a marathon race because of a wrong turn that cost him twenty seconds.
C.
That of a motorist who runs out of gas a mere five miles from the nearest gas station.
D.
That of shipwrecked sailors at sea in a lifeboat, with one flask of drinking water to share among them.
E.
That of travelers who want to reach their destination as fast and as cheaply as possible, but find that cost increases as travel speed increases.
【简答题】忽报人间曾伏虎,————————。出自《蝶念花.答李淑一》
【简答题】扁桃体肿大的分度?
【简答题】“忽报人间曾伏虎”中“伏虎”的意思是指( )。
【单选题】关于薁类化合物,下列说法错误的是( )。
A.
颜色多为蓝色、紫色或绿色
B.
具有五元环与八元环骈合成的不饱和共轭体系骨架
C.
具有芳香性
D.
可溶于有机溶剂与强酸
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