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【判断题】
用数字式万用表检测二极管时,红表笔接二极管的负极,黑表笔接二极管的正极,此时测得的阻值才是二极管的正向导通电阻。A.
正确
B.
错误
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【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...
【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 ...
【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 ...
【简答题】下面关于使用资源管理面板插入颜色的说法错误的是() A.颜色子面板将显示整个网站所用到的所有颜色 B.颜色不可以在预览窗口中显示 C.颜色在收藏夹方式下才可以编辑 D.颜色在网站列表下不可以编辑
【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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