——Is everyone here today? ——____________
A:No, Jack isn't here.
B:Yes, please.
C:Yes, it is.
D:Let's go.
12×____ =3600。
某老师在《燃烧的条件》教学中,改进了教材中的实验如图所示,在铜片上罩了仪器a,请回答:
(1)仪器a的名称是____.
(2)罩上仪器a的作用是____.
(3)对照①和③能够获得可燃物燃烧需要的条件之一是____.
bring give grandma then grandpa
The Mid-Autumn Festival is coming. I like it. I am very happy. My ____and ____ are going to come to my house. They are going to ____ gifts for me. And I'm going to ____ them gifts. ____ we will eat moon cakes together. We will be happy.