动物社会行为的特征不包括（　　）

一个科学研究小组对5000只“冰川豹蛛”进行测量后发现，1996－2005年间，这种蜘蛛的体形平均增大了8％－10％，同期当地每年的解冻期提前了20－25天，这支持了他们的猜想，剧烈的气候变化对当地蜘蛛的生长产生了影响。该研究小组负责人表示，这种影响的后果很复杂，无法一下子估计出来。这一说法体现了
①事物间的联系是客观的、无条件的       ②事物本质的暴露和展现有一个过程
③世界总有一些秘密不能为人所理解       ④人的认识具有反复性、无限性

The government tried its best to _____ the people’s needs, but the people were still not ______. In fact, what the government did was not______.

填一填。

1时＝____分    1时23分＝____分     100分＝____时____分

60秒＝____分    1分10秒＝____秒     110秒＝____分____秒 

阅读理解

Here are summer activities in museums.

The Postal Museum

Date: July 16 to July 22

Age: 11—13

    Would you like to join us this summer vacation? You can learn about the history of stamps (邮票)and design (设计) a stamp yourself. You can also enjoy many beautiful pictures in our museum.

Tel: 965-0403

The Air and Space Museum

Date: July 24 to July 30

Age: 8—11

    If you like activities about air and space, please come here. It's a good place to make and fly your own paper plane, watch an IMAX movie, and climb into a real plane.

Tel: 654-0937

The Science Museum

Date: August 7 to August 13

Age: 9-12

    You can experience video arts, play computer games about future cities, and ask robots questions here. It will be wonderful! Have fun!

Tel: 357-3039

The Building Museum

Date: August 15 to August 22

Age: 13-15

    Want to enjoy design challenges (挑战)? Come and join us. You can go on trips to some famous buildings, learn to design your own room, and build small houses,

Tel: 272-0561

根据材料内容选择最佳答案。