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从防止二次再结晶的角度考虑，起始原料的粒径应当细/小，而且粒径分布应当均匀。（ ）
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晶粒生长是晶界移动的结果，晶界移动的方向是向晶界的曲率中心移动。（ ）
Holding such a sporting event as the Paralympics (残奥会)will help arouse public awareness against discrimination and indifference towards the .
Early this morning a sven-yea-ld girl was run over and to death by a large pickup truck which went out of control on an icy road.
The Presidential candidateduring his speech while supporters waved their cards with campaign slogans to show their support.
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