凡自然数都是整数，而4是自然数  所以4是整数．以上三段论推理（　　）

2013年6月中旬，我国“神舟十号”载人宇宙飞船发射升空与天宫一号对接，三名宇航员将在天宫一号轨道舱内生活一段时间．宇航员在太空是如何生活的呢？请结合如图所示的人体部分生理活动示意图（①～⑦表示生理过程，Ⅰ、Ⅱ表示血液类型）分析回答有关问题：

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____ .

甲、乙两名同学在一次用频率去估计概率的实验中，统计了某一结果出现的频率绘出的统计图如图，则符合这一结果的实验可能是（　　）