登高擦拭内窗玻璃时应使用扶梯(人字梯),注意扣牢扶梯的安全扣,侧身站立,确保稳固。
查看答案
在相同的温度范围内,()循环的热效率最高;在同一热力循环中,()越高则循环功越大。
Which of the following examples of the pack URI syntax accesses a file named myImage.jpg in a folder named MyFolder in another assembly named myAssembly? ()
A. Pack://application:,,,/myAssembly;component/MyFolder/myImage.jpg
B. Pack://application:,,,/myAssembly;MyFolder/component/myImage.jpg
C. Pack://application:,,,;component/myAssemby/MyFolder/myImage.jpg
D. Pack://application:,,,/myAssembly;component/myImage.jpg
教室布置的器材类不包括()。
A. 实验药品
B. 清洁工具
C. 娱乐器材
D. 电器类