五四运动以后,我国学校体育的指导思想,是从日本引进的实用主义。
参考答案:错
Today my job at home is ______ and my father’s is ______.
A.to wash clothes; to cook dinner
B.washing clothes; to cook dinner
C.to wash clothes; cooking dinner
D.going to wash clothes; going to cook dinner
用电弧整形法提高高强度钢焊接接头的疲劳强度有较好的效果。()