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【简答题】
如图，设 、 是平面内相交成 角的两条数轴， 、 分别是与 轴、 轴正方向同向的单位向量。若向量 ，则把有序实数对 叫做向量 在坐标系 中的坐标。若 ，则 =
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【简答题】Europe is often one of the first places people think of when racism is discussed. From the institutionalized racism, especially in colonial times, when racial beliefs — even eugenics — were not consid...
【单选题】在 递送名片时,下列哪 种 做法 是 正确 的 ?
A.
递送名片时可 以不说话
B.
应站立起身，走向对方，面带微笑，用双手或右手递送名片
C.
名片背面向上或文字颠倒着朝向对方 也没关系
D.
可以 用手指夹着名片递给他人 ，只要不掉就行
【判断题】In the 17th century, world trade developed further when chartered companies like the British East India Company and the Dutch East India Company were established.
A.
正确
B.
错误
【单选题】When were trade and diplomatic relations between Vietnam and the US resumed?
A.
In the 1960s
B.
In the 1970s
C.
In the 1980s
D.
In the 1990s
【简答题】Summary of "WE'VE BEEN HIT!" In most people’s minds, the World Trade Center is the symbol of power and 1 . However, on September 11, 2001, when the World Trade Center was hit by the planes hijacked by...
【简答题】C Marco Polo was born in Italy in 1254. When he was 17 years old, he traveled across Europe and Asia with his father , who wanted to do trade with the Chinese . ually , they arrived in Beijing .A...
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