单项选择题
Tim says that he has a lot of favorite American movies, in particular, the movie “Avatar” because he likes science fiction movies a lot. “Avatar” was the most successful movie in history due to its computer graphics that created a new world on another planet.____
判断题 微藻中产量最大的是螺旋藻。
单项选择题 Grand Central Terminal A、 中央火车站 B、大型汽车站
单项选择题 录入凭证时，红字金额用负数表示。( )A、正确B、错误
