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【多选题】
下列哪个方法可以倒着播放一段影片?A.
1.Rate Stretch Tool
B.
2.Speed/Duration 对话框输入负值
C.
3.Speed/Druation 对话框中选择 ReverseSpeed 选项
D.
4.Backwards 特效
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In following numbers, ( ) has FOUR significant figures.
A.
0.0503 g
B.
12.5612 g
C.
21.30 ml
D.
pH= 8.02
【简答题】Listen to and write down the following numbers in groups.(Audio File Numbers 5) Numbers 5.mp3
【简答题】Numbers 4.mp3 Listen to and write down the following numbers in groups.(Audio File Numbers 4)
【单选题】In which one of the following numbers are all of the zeros significant?
A.
100.09009
B.
0.14329
C.
0.05843
D.
0.1
E.
0.003002
【简答题】上颌动脉的末段为翼腭段,分支主要有 ________ 动脉、 ________ 动脉、腭降动脉及蝶腭动脉。
【多选题】Which of the following numbers are pronunced differently in radio communication from those in daily English?
A.
3
B.
4
C.
5
D.
9
【单选题】Each of the following numbers has two digits blotted out. Which of the numbers could be the number of hours in x days, where x is an integer?
A.
25■,■06
B.
50■,■26
C.
56■,■02
D.
62■,■50
E.
65■,■20
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