Listen to lecture and decide if the statements below are true(T) or false(F).() 1.Public art is found in museums.()2.Publid art is becoming more popular.()3.Pop art is usually realistic.()4.One purpose of public art is to illustrate concept.()5.The woman on the horse is a symbol for peace.()6.The sculpture Non-Violence is an example of realistic art.
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一些关于熔模铸道的设置描述不当的是:
A. 铸道既是熔模材料的流出道,也是铸造金属的流入道。
B. 单个PF M基底冠熔模一般可使用单铸道。。
C. 铸道原则上应安插在熔模最薄处。
D. 铸道与熔模轴面切忌是锐角或直角。
E. 铸道的直径应大于熔模最厚处
以下关于储金球的设计描述不正确的是:
A. 储金球是位于铸道底部的圆球。
B. 储金球的直径要大于铸道的直径。
C. 储金球应放在铸圈的中心区域。
D. 储金球应和熔模同时放在铸圈的顶1/3或2/5
E. 储金球的设置可补偿铸造的体积收缩
The speaker described three of the sculptures on page 23. One was not mentioned. Number the pictures from i to 3 in the order they were described.a peaceb Let Us Beats Swords into Ploughsharesc Non-violenced Spoonbridge and Cherry