①演说发表在慕尼黑会议召开之时          

②丘吉尔旨在反对张伯伦的绥靖政策

③对希特勒入侵苏联感到极为不安          

④倡导各国联合起来抗击法西斯侵略

以下两则材料，分别补充说明了选文中的什么内容？

①材料一：

以色列LAS公司育成了能生产血清白蛋白的羊，通过克隆扩大繁殖。

②材料二：

大熊猫是国宝，但自然交配成功率低，因此已濒临绝种，克隆为大熊猫的繁衍提供了切实可行的途径。

    I get up at 6:30 in the morning. Then I wash my face and brush my teeth. I go to school at 7:00. I go to school by bike. Classes begin at 7:30. We have six lessons every day. We have three lessons in the morning and three in the afternoon. Classes are over at 5:00. I get home at 5:15. We have dinner at 6:00. I go to bed at 9:00.