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【判断题】
3 维欧氏空间中存在4个非零向量彼此正交?A.
正确
B.
错误
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【简答题】"Antibiotics do not work against viruses, only bacteria," the WHO said on it’s official website. However,if the patient is hospitalized for the virus, he may accept antibiotics since"bacterial co-infe...
【简答题】People from the United States carry their idea of ____________ over into public spaces.
【简答题】In Canada, smoking (is prohibited) in most public spaces.________________________________________.
【单选题】Boys and girls, you should know what a great difference good manners in public will ________ to a person.
A.
owe
B.
belong
C.
contribute
D.
make
【单选题】absence of public spaces such as bars and restaurants
A.
access control
B.
offender deflection
C.
target hardening
【单选题】According to this passage,
A.
crowdfunding means outsourcing to the public jobs typically performed by employees.
B.
more and more people begin to use crowdfunding as a great help to their careers.
C.
Cameesa. com generated $17 million in revenues in 2006.
D.
Cameesa. com helps to connect music lovers with unsigned artists looking to record albums.
【单选题】—Are your printers easy to use? You see,we’ve managed without one up to now. Why are there so many knobs and buttons? — ( ) In fact, they’re entirely automatic.
A.
Whatever you think it is.
B.
Sorry to disappoint you.
C.
They couldn’t be easier.
D.
It’s the cheapest one.
【单选题】AIDS is causing great public concern because the_____fatal disease hits primarily young people.
A.
invariably
B.
imperatively
C.
transiently
D.
deceptively
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