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【判断题】
溶液中无论有多少种组分，其摩尔分数之和总等于1。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Paul and his fellow workers began to smoke after lunch and soon made the room ______． 吃过午饭，保罗和同事们开始抽烟，一会儿功夫屋子里就烟雾缭绕了。
【简答题】阅读理解。 Paul, the oracle octopus (章鱼保 罗), was given a replica (复制品) of the World Cup as a reward for his perfect eight-for-eight record in predicting the results of matches. The two-year-old octopus wit...
【多选题】Which three statements are true about the application of QoS models？ （）
A.
The DiffServ model requires applications to signal the network with QoS requirements.
B.
The DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addresses.
C.
The DiffServ model requires RSVP.
D.
The best effort model is suitable for applications such as file transfer and e-mail
E.
The IntServ model requires applications to signal the network with QoS requirements.
F.
The IntServ model attempts to deliver a level of service based on the QoS specified by each packet
【简答题】法国画家保罗、高更的一系列不朽作品都完成于?
【判断题】What Paul talks is boastful and nonsensical in a fashion. 保罗的谈话有几分胡吹瞎扯。()
A.
正确
B.
错误
【多选题】保罗·高更的艺术成就有哪些?
A.
他主张绘画的抽象性，亦即综合概括的特性
B.
一直在思考形、色和线的抽象意义
C.
他反对从感觉出发模仿自然，提倡从精神出发去利用大自然
D.
试图借助对自然观察诱发的想象来获取抽象性
【多选题】Which three statements are true about the appliance of QoS models？（）
A.
the DiffServ model requires applications to signal the network with QoS requirements
B.
the DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addresses
C.
the DiffServ model requires RSVP
D.
the best effort model is suitable for applications such as file transfer and e-mail
E.
the IntServ model requires applications to signal the network with QoS requirements
F.
the IntServ model model attempts to deliver a level of service based on the QoS specified by each packet
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