1945年2月，罗斯福、丘吉尔、斯大林在哪里召开会议，规划了战后世界和平(     )

①执行价值尺度的职能

②使商品交换变成商品流通

③充当商品交换的媒介

④固定充当一般等价物

    Spring is coming．People in different countries like different outdoor activities．Leo，a reporter from Learning English in interviewing（采访）some students．Here is what they have said．
    Mary （13, America）　　
    I want to go out of the city to a beautiful field. It's happy to smell beautiful flowers, touch green grass and take some photos. And I like to have a picnic in the field, It's interesting!
    Jim （14, Canada）　　
    The weather turns warmer and they days become longer in spring. It's a good time to go camping. It would be fun to sleep in a tent. I enjoy the comfortable weather too.
    Tony （13, England）
    In spring, I like going cycling alone. It can not only make me enjoy the beautiful season but also help me became stronger. I can write something about what I see on the way.
    Wang Fang （12, China）
    I'm good at making all kinds of kites. And in spring. I like flying kites with my family or my friends in the park. One of us holds the kite. and another one catches the line. It's exciting to see the kite flying high in the sky.

要注意划线的词哦！

①他提出的问题很不寻常，常常使老师很难解答。

②伽利略带着这个疑问反复做了许多次试验，结果都证明亚里士多德的这句话的确说错了。

从这两句话可以看出，伽利略是个____的人。