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【判断题】
防火墙的安全策略:凡是未被准许的就是禁止的,凡是未被禁止的就是允许的,前者灵活性强,而后者安全性高。( )A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】关于混悬剂的叙述，错误的是
A.
为粗分散体系
B.
分散相微粒一般在0.5-10um之间
C.
多以水为分散介质
D.
混悬剂为液体制剂
E.
混悬剂微粒分散度大，吸收较快
【单选题】In new semester, there will be many activities ______ campus.
A.
in
B.
to
C.
with
D.
on
【单选题】The new appointment of our president ______ from the very beginning of next semester.
A.
takes effect
B.
takes part
C.
takes place
D.
takes turns
【单选题】The new appointment (任命) of our president _________ from the very beginning of the next semester.
A.
takes effect
B.
takes place
C.
takes turns
D.
takes part
【简答题】A: ______ is your plan in the new semester? B: I ______ take part in school activities a lot in the new semester.
【单选题】The new appointment of our president ______ from the very beginning of the next semester .
A.
takes effect
B.
takes place
C.
takes turns
D.
takes part
【单选题】关于混悬剂的叙述,错误的是()
A.
为粗分散体系
B.
分散相微粒一般在0.5-10μm之间
C.
多以水为分散介质
D.
混悬剂为液体制剂
E.
混悬剂微粒分散度大,吸收较快
【单选题】What are they talking about?
A.
Their summer holiday.
B.
Their jobs.
C.
Their new semester.
【简答题】With the start of the new semester students around the country exchange their fun and fashionable clothes for boring school uniforms. 'The uniform makes us look like a bunch of clones, especially when...
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