小明的爸爸是双眼皮（Aa）、妈妈是单眼皮（aa），小明也是单眼皮．控制小明眼皮的基因组成是（    ）

下图是植物细胞的结构模式图，请据图回答，请把正确答案的标号填写在横线上。

小熊先把两个整十数相加，然后将这个和的横加数算出来，它就是开锁的密码。帮他们找到开保险箱的密码：

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( A )

    Once Effendi had a joke with the Prime Minister (宰相). He said that the Minister would die the next day. The next day, the Minister fell to the ground from the horse and really died. When the king learned this, he got angry and sent his men to catch Effendi at once.

    When Effendi was brought to him, the king shouted angrily, “Effendi, since you knew when my Minister would die, you must know the date of your own death. Say it out, or you'll die today.” Effendi looked at the king for a while. Then he answered, “But how can I know？I'll die two days earlier than you.” The king was afraid that if he killed Effendi, he himself would die after that. He thought he must keep Effendi alive as long as possible, so he let Effendi go.