问题
单项选择题
目前炼钢厂的浇注多数为()。
A、模铸
B、连铸
C、二者都有
答案
参考答案:B
目前炼钢厂的浇注多数为()。
A、模铸
B、连铸
C、二者都有
参考答案:B
选择恰当的单词并用其正确形式将短文补全完整。 | |
Emily has so many 1 at home. She has to do her homework 2 school. She can't go 3 on school nights. She has to wash the dishes(洗碗)after 4 ,and then she can watch TV 5 . an hour. She likes 6 . .She usually does some reading at night. She has to be in 7 . by ten |