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【简答题】
()决定了音箱所能发出的最大声音强度。
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【单选题】_____ about the safety of her son, John's mother looked upset. [ ]
A.
Concerning
B.
Concerned
C.
To concern
D.
Concern
【多选题】The major safety concerns with ALife & synthetic biology are:
A.
biosafety & biorisk: horizontal gene transfer, the formation of antibiotic-resistant superbugs, etc.
B.
bioterrorism (e.g. design & use of new biological weapons)
C.
biosecurity: synthesis of dangerous bacteria or viruses, e.g. poliovirus genome synthesized in 2002, the Spanish influenza virus genome synthesized in 2005, the SARS virus genome synthesized in 2008, the Ebola virus genome synthesized in 2016, & the horsepox virus genome synthesized in 2017
D.
environmental risk & impact: intentional or unintentional release of synthetic organisms into the environment
【单选题】The major difference between modern private and public libraries lies in
A.
readership.
B.
content.
C.
service.
D.
function.
【判断题】In the statement, "Volvo develops its cars for buyers to whom safety is a major concern, positioning the vehicles as the safest a customer can buy," buyers to whom safety is a major concern is the tar...
A.
正确
B.
错误
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