皮皮学，免费搜题
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【单选题】
—May I come in? I’m sorry I’m late. — Come in, please. But could you please tell me _____________ __?A.
why you are late again
B.
what were you doing then
C.
who you talked with
D.
how do you come to school
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Refer to Figure 9-15. Producer surplus with trade and without a tariff is
A.
G.
B.
C + G.
C.
A + C + G.
D.
A + B + C + G.
【单选题】Refer to Figure 9-15. Consumer surplus with the tariff is
A.
A +
B.
C.
A + C + G.
D.
A + B + C + D +E + F.
【单选题】Refer to Figure 9-15. Consumer surplus with trade and without a tariff is
A.
A +
B.
C.
A + C + G.
D.
A + B + C + D + E + F.
【单选题】工程程热力学可以直接测量的状态参数称为基本状态参数,下列属于基本状态参数的是 。
A.
热力学能、 焓、熵
B.
总储存能、外部储存能、内部储存能
C.
压力、温度、比体积
D.
热量、功
【单选题】Refer to Figure 9-15. Producer surplus with the tariff is
A.
G.
B.
C + G.
C.
A + C + G.
D.
A + B + C + G.
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