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【单选题】
What does the "precautionary principle" imply for the evolution of emerging technologies, such as synthetic biology and geo-engineering?(Please select one answer)
A.
The implications are at the moment unclear and could be used both to support, and put considerable limitations on experiments with emerging technologies
B.
The implication is that it puts considerable limitations on experimentation with emerging technologies due to possible unexpected negative impacts
C.
The implications support the development of different technologies in all cases
D.
The principle is not at all applicable in these cases, but has been designed to address other issues such as hazardous chemicals
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【多选题】What are the challenges discussed by Professor Elmqvist in terms of urbanization and biodiversity?(Please select four answers)
A.
Urban sprawl is consuming prime agricultural land
B.
Urban sprawl creates new kinds of biodiversity which competes with endemic biodiversity
C.
In some areas intense urbanization is occurring in the same place as global biodiversity hot spots
D.
Urbanization represents a challenge because 60% of urban areas projected into 2030 are yet to be built. Historically, cities have often been founded in areas with rich biodiversity
E.
Urban sprawl will bring cities closer and closer to protected areas, such as national parks
【多选题】灾害作为重大的社会事件，所以大多数类书和政书中，都会设立什么灾害专区，将一些灾害史料分门类，集中编排在一起，便于读者翻检和使用。
A.
灾异部
B.
咎征部
C.
庶征典
D.
灾祥略
【单选题】How much land area is required to produce all the resources used in the city of London?(Please select one answer)
A.
An area 10 times the size of London
B.
An area 125 times the size of London
C.
An area twice the size of London
D.
An area the same size in London
【单选题】全身背景抑制扩散加权成像的临床应用不包括()
A.
恶性肿瘤及其转移灶的检出
B.
淋巴结转移筛查
C.
恶性肿瘤的临床分期
D.
抗肿瘤治疗疗效评估
E.
恶性肿瘤的血供情况
【单选题】According to the history, the production of tea in Pu'er County could date back to ______.
A.
Yuan Dynasty
B.
Han Dynasty
C.
Ming Dynasty
D.
Qing Dynasty
【单选题】Tea in Yunnan mainly produced in the ______ of Langchang River in Yunnan，
A.
lower reaches
B.
upper reaches
C.
millde reaches
D.
None above