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【简答题】

1. It is frequently defined as a kind of development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

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【单选题】9. Since 1980s, people have studied how to improve the information ________ of barcode symbol.
A.
number
B.
amount
C.
density
D.
crowdedness
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【单选题】4. The UPU Council studies ________, administrative, legislative and legal issues.
A.
rehearsal
B.
reassuring
C.
revisited
D.
regulatory
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【简答题】5. Some of these flood shelters are on raised p________, which have allowed government helicopters to land amid the continuing floods. (a flat raised structure or area, usually one which something can...
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【简答题】2. It is one of the challenges operators of last-mile delivery need to face, keeping customers fully informed of the position of their orders whenever they need.
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【单选题】8. Postal services may issue special postage stamps to ________ the history or achievements of the national postal service on or around World Post Day.
A.
commemorate
B.
recommand
C.
common
D.
command‍
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【简答题】6. It suggests the m________ transportation planning and management to combine organically the mobility and accessibility. (a large or capital city)
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【简答题】3. Plastic packaging is made to be used only once. It is being replaced by more environment-friendly packaging.
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【单选题】4. location-based services：基于位置的服务
A.
正确
B.
错误
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【单选题】9. Everybody is equal. We are all souls living in harmony and ________.​
A.
disaster
B.
serenity
C.
worry
D.
shadow
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【简答题】7. As a h________ of finance and communications, Paris is now almost equal to London. (a large airport from which you can travel to many other airports)
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