问题
多项选择题
隔离开关柜拒绝分闸的原因可能是()。
A.冰冻引起拒分
B.传动机构卡滞
C.接触部分卡住
D.空气湿度大
答案
参考答案:A, B, C
隔离开关柜拒绝分闸的原因可能是()。
A.冰冻引起拒分
B.传动机构卡滞
C.接触部分卡住
D.空气湿度大
参考答案:A, B, C
单词填空:从方框中选择恰当的单词填入句子中,注意使用其正确形式。( 每题0.5分,共4分。答案请写在答题纸上)
小题2:He spent years ___________________ his skills as a photographer. 小题3:Beth __________________ a meeting with the marketing director. 小题4:Don will only buy the motorcycle if his parents _____________. 小题5:I could hear them ____________________ next door. 小题6:Plastic bottles can be ______________ into clothing. 小题7:The river has been seriously ______________ by a chemical factory. 小题8:Tom ____________ confidence and needs a lot of encouragement. |