【简答题】Word文本编辑中,文字的输入方式有插入和改写两种方式,要将插入方式转换为改写方式可按().A. A:Ctrl键 B. B:Delet键 C. C:Insert键 D. D:Shift键
【多选题】变电站的主变压器采用两台的条件是( )。
【多选题】关于无产阶级领导权问题,正确的论述有()(第二章)(中)
A.
无产阶级领导权是与资产阶级争夺领导权的斗争中实现的
B.
建立以工农联盟为基础的统一战线是实现领导权的关键
C.
建立一支强大的人民军队,是保证领导权的坚强支柱
【单选题】请问哪个选项可以更好地把句子补充完整?The World Wildlife Fund has declared that global warming, _____________________________, will create havoc among migratory birds by altering the environment in ways harmful to their...
A.
a phenomenon that most scientists agree is caused by human beings in buring fossil fuels
B.
a phenomenon that most scientists agree is caused by fossil fuels burned by human beings
C.
a phenomenon that most scientists agree is caused by human beings' buring of fossil fuels
D.
a phenomenon that is caused by fossil fuels burned by human beings
【单选题】高压及其以上的汽包锅炉熄火后,汽包压力降至(),迅速放尽锅水。
【单选题】高压及其以上的汽包锅炉熄火后,汽包压力降至( ),中压汽包锅炉压力降至0.3—0.5 MPa时,迅速放尽锅水。
【判断题】实现无产阶级领导权的关键问题是建立一支党领导下的军队。