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【多选题】
3D打印制件的以下特性受成形方向影响的有?A.
工件品质
B.
打印层厚
C.
材料成本
D.
制作时间
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【简答题】The Winter Olympics is also called the White Olympics. At this time, many colorful stamps are published to mark the great s. The first stamps marking the opening came out on January 25, 1932 in th...
【简答题】阅读理解。 Stamps for the white Olympics The Winter Olympics is also called the White Olympics. At this time, many colorful stamps are published (发行) to mark (标志) the great s. The first stamps marking ...
【简答题】阅读理解。 People call the Winter Olympics the White Olympics. At this time, they publish (发行) many stamps to mark (标志) the great s. The first stamps came out on January 25th, 1932 in the United States...
【单选题】— Do you know Winter Oympic Games? — Sure. Once Winter Olympics ______ the White Olympics. [ ]
A.
call
B.
called
C.
was called
【简答题】The Winter Olympics is also called the White Olympics．At this time，many colorful stamps are published to mark the great s．The first stamps marking the opening came out on January 25th，1932 in the ...
【简答题】室内分布系统,加强____覆盖,并对不同区域进行合理的小区划分,增大____,满足区域内各类用户的通信需求。
【单选题】听力原文： The 20th Winter Olympics have just ended in Turin, Italy. But for some possible future Olympians, the games are about to begin with help from an American speed skater. Joey Cheek won a gold meda...
A.
To employ athletes as ambassadors of sportsmanship.
B.
To influence decision makers to support star athletes.
C.
To support children in developing countries with heroes in Olympics.
D.
To bring children in developing countries good sports and play programs.
【简答题】阅读理解。 The Winter Olympics is also called the White Olympics. At this time, many colorful stamps are printed (印刷) to mark (纪念) the great s. The first stamps marking the opening came out on January ...
【单选题】听力原文：The 20th Winter Olympics have just ended in Turin, Italy. But for some possible future Olympians, the games are about to begin with help from an American speed skater. Joey Cheek won a gold medal...
A.
To employ athletes as ambassadors of sportsmanship.
B.
To influence decision makers to support star athletes.
C.
To support children in developing countries with heroes in Olympics.
D.
To bring children in developing countries good sports and play programs.
【简答题】The Winter Olympics are also called the White Olympics. At this time, many colorful stamps are published (发行) to mark (标志) the great s. The first stamps marking the opening came out on January 25,...
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