2014年12月16日，沪昆高铁长怀段正式开通，极大方便了市民出行，促进邵阳地区经济的发展．建设中用到Fe₂O₃+2AlAl₂O₃+2Fe对钢轨中的缝隙进行焊接，该反应的基本类型是（　　）

植物体由根从土壤中吸收的水分．大部分用于（ ）

做匀速圆周运动的物体，改变的物理量是（   ）

阅读下面对话，在空白处填入恰当的内容。

A: So, what's your plan for this weekend?

B: I just want to stay at home.

A: How about going to____ ?

B: Sorry, I've been tired these days. I just want to have a good rest.

A: But I think going to movies is a better way to____  yourself.

B: You are probably right.

A: Maybe we should go out to ____  first.

B: Yeah, I think so.

A: I know pizza's been your favourite. Let's meet at Sam's Pizza House. I heard they just came

out with a new pizza.

B: Really? I haven't been there for a long time. When shall we meet?

A: Well, the movie is at 2:00 pm and 1:00 pm.

B: ____ go to the 2:00 pm show?

A: No problem. We can meet at Sam’s Pizza House at 11:00 am.

B: Perfect. If so, we can have plenty of time to____ .

____