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【多选题】
下列( ) 属于公共产品的层次。A.
纯公共产品
B.
准公共产品
C.
私人物品
D.
公司物品
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反馈参考答案：
举一反三
【单选题】The resistor voltage and resistor current in this circuit are ____【图片】
A.
10 V, 5 mA
B.
11 V, 2 mA
C.
11 V, 11 mA
D.
2 V, 11 mA
【单选题】The resistor voltage and resistor current in this circuit are ( ).
A.
10 V, 5 mA
B.
11 V, 2 mA
C.
11 V, 11 mA
D.
2 V, 11 mA
【单选题】I wish I ____ there to witness the wedding ceremony of Prince William and Kate last month. [ ]
A.
be
B.
were
C.
had been
D.
was
【简答题】I am ready to ______ his ability to pay． (certify, attest, witness, vouch for)
【简答题】下列关于定罪量刑的说法正确的有哪些?
【单选题】Usually there might be a lot of accidents in the heavy fog. I happened to witness ______ this morning. [ ]
A.
it
B.
those
C.
one
D.
that
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