下列时间,不适宜跟对方打电话的是( ) A: 6:30 B: 9:00 C: 15:00 D: 21:30 E: 13:00 F: 16:00
下列时间,不适宜跟对方打电话的是( ) A: 6:30 B: 9:00 C: 15:00 D: 21:30 E: 13:00 F: 16:00
______________属于图像格式文件。 A: BMP B: WMA C: PNG D: JPG E: AVI F: GIF
______________属于图像格式文件。 A: BMP B: WMA C: PNG D: JPG E: AVI F: GIF
常见图片格式有()等。 A: .bmp B: .jpg C: .gif D: .png E: .tif F: .exe
常见图片格式有()等。 A: .bmp B: .jpg C: .gif D: .png E: .tif F: .exe
常用图像文件格式有( ) A: BMP B: JPEG C: PNG D: GIF E: PSD F: TIFF
常用图像文件格式有( ) A: BMP B: JPEG C: PNG D: GIF E: PSD F: TIFF
在桥式(文氏桥)RC正弦波振荡电路中()。 A: φA=-1800,φF=+1800 B: φA=+1800,φF=+1800 C: φA=00,φF=00
在桥式(文氏桥)RC正弦波振荡电路中()。 A: φA=-1800,φF=+1800 B: φA=+1800,φF=+1800 C: φA=00,φF=00
/ananas/latex/p/1802
/ananas/latex/p/1802
下列哪些是音频文件格式? A: WAV B: MP3 C: PNG D: JPG E: WMA F: GIF
下列哪些是音频文件格式? A: WAV B: MP3 C: PNG D: JPG E: WMA F: GIF
You need to restore your database back to 9/30/2008 at 18:00. In what order would you run the following commands to compete this task?() a. restore controlfile until time `09/30/2008:18:00:00’ b. restore database until time `09/30/2008:18:00:00’ c. restore spfile until time `09/30/2008:18:00:00’ d. recover database until time `09/30/2008:18:00:00’ e. alter database open resetlogs f. alter database open A: b, d, e B: b, d, f C: c, a, b, d, e D: c, a, b, d, f E: a, b, d, e
You need to restore your database back to 9/30/2008 at 18:00. In what order would you run the following commands to compete this task?() a. restore controlfile until time `09/30/2008:18:00:00’ b. restore database until time `09/30/2008:18:00:00’ c. restore spfile until time `09/30/2008:18:00:00’ d. recover database until time `09/30/2008:18:00:00’ e. alter database open resetlogs f. alter database open A: b, d, e B: b, d, f C: c, a, b, d, e D: c, a, b, d, f E: a, b, d, e
下面()是日期型常量. A: "12/19/99" B: 1999-12-1900:00:00 C: D: 12/19/99 E: F: {12/19/99}
下面()是日期型常量. A: "12/19/99" B: 1999-12-1900:00:00 C: D: 12/19/99 E: F: {12/19/99}
以下几项中,属于逻辑型常量的是(). A: Bal B: 2010-10-0200:00:00 C: D: 10/10/02 E: F: TRUE
以下几项中,属于逻辑型常量的是(). A: Bal B: 2010-10-0200:00:00 C: D: 10/10/02 E: F: TRUE