判断题 All American citizens who are registered to vote cast their ballots for members of the US Electoral College, known as electors, who in turn cast direct votes, known as electoral votes for Vice President. _____

单项选择题 I think we should wait for Fiona. She never on time. A、turns up B、turns on C、turns off D、turns to

问答题 在以被摄主体为中心的水平方向，大致上可分为  [填空1][填空2][填空3][填空4][填空5] 等，垂直方向可分为 [填空6][填空7][填空8]等。