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【多选题】
Logistics cost includes:A.
packing cost
B.
cost of sales
C.
transprtation cost
D.
warehouse cost
E.
CD
F.
Which of the following statements are correct about distrbution center:
G.
DC is a logistics link to fulfill physical distribution.
H.
DC can perform a great deal of value-added activities.
I.
DC collects data in real time.
J.
DC is similar with warehouse K. L. 下列短语描述的仓库类型正确的是:
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反馈参考答案：
举一反三
【单选题】有关tRNA的正确叙述是
A.
tRNA的3ˊ- 末端是CAA
B.
几乎所有的tRNA三级结构为三叶草型
C.
tRNA的功能是作为合成蛋白质的模板
D.
tRNA的二级结构都呈三叶草型
【判断题】Memos can be as formal as a business letter and used to present a report.()
A.
正确
B.
错误
【简答题】tRNA的二级结构都呈________。
【单选题】A. He’s writing a report. B. He’s on a business trip. C. He’s attending a meeting. D. He’s on his holiday.
A.
He’s writing a report.
B.
He’s on a business trip.
C.
He’s attending a meeting.
D.
He’s on his holiday.
【简答题】A. He’s writing a report. B. He’s on a business trip. C. He’s attending a meeting. D. He’s on his holiday.
【单选题】tRNA的结构特点中不包括
A.
所有tRNA3＇末端都为CCA
B.
5＇末端具有特殊的帽结构
C.
其二级结构呈三叶草形
D.
含有二氢尿嘧啶环
E.
含有反密码子环
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