下面词语中不能和“认真”搭配的是( )。
A:选料
B:做事
C:马虎
D:态度
Read and order 给打乱顺序的句子重新排序。
① Ok, I'll take it.
②How much is it?
③Can I help you?
④What size?
⑤It's ninety yuan.
⑥Size six.
⑦Yes, please. I want a pair of shoes.
____
﹣64的立方根是____.
物体在共点力作用下,下列说法中正确的是( )