问题
单项选择题
软缆电源引入的拉紧钢丝或钢丝绳磨损量达原尺寸的（）时应报废。
A、25%
B、20%
C、0.15
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
软缆电源引入的拉紧钢丝或钢丝绳磨损量达原尺寸的（）时应报废。
A、25%
B、20%
C、0.15
参考答案：B
根据句意从方框中选择合适的单词，并用其适当形式填空，使句子通顺。
小题2:Eric and Daniel is in Class One. Mrs. Zhang teaches _______ Math. 小题3:Look! Your _______________ are coming to us with some CDs! 小题4:He is a member of the ___________________ Club in our class. 小题5:Yao Ming is good at playing basketball and he is a great basketball _________________. |