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【简答题】
模型是现实世界到机器世界的一个中间层次。
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】We can also know the society by serving it yourself.
【单选题】We can also know the society by serving it yourself.
A.
dangling or misplaced modifiers
B.
faulty parallel constructions
C.
pronouns with ambiguous reference
【单选题】若某溶液中有 Fe 2+ 、 Cl - 和 I - 共存,要氧化除去 I - 而不影响 Fe 2+ 和 Cl - ,可加入的试剂是 ( )。
A.
Cl 2
B.
KMnO 4
C.
FeCl 3
D.
HCl
【单选题】We can know from the passage that ______.
A.
the anti-smoking rinse might also be effective in reducing bad breath
B.
the anti-smoking rinse is available in the market now
C.
fewer volunteers would like to participate in the study
D.
the anti-smoking rinse will be very expensive
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