It's seven forty in the morning. The children are coming into the classroom. A girl is opening the windows. Some are laughing and talking. Some are listening to them. Some are reading books. Some are doing their homework.

    Miss Gao is standing behind the teacher's desk. She is writing on the blackboard. Sue and Han Mei are wearing their new dresses today. Ann is cleaning her desk. Mike is helping her. They all look happy.

What are Bill and Lin Tao doing? Oh, dear! They are still playing basketball!

①种子 $\stackrel{卫星搭载}{\to }$ 返地种植→多种变异植株 $\stackrel{人工选择}{\to }$ 新品种

②甲品种×乙品种→F₁ $\stackrel{自交}{\to }$ F₂ $\stackrel{自交}{\underset{人工选择}{\to }}$ 性状稳定遗传的新品种

③甲品种×乙品种→F₁ $\stackrel{花药离体培养}{\to }$ 幼苗 $\stackrel{秋水仙素处理}{\to }$ 若干植株 $\stackrel{人工选择}{\to }$ 新品种

④正常幼苗 $\stackrel{秋水仙素处理}{\to }$ 植株 $\stackrel{人工选择}{\to }$ 新品种

⑤甲种生物某基因 $\stackrel{通过运载体导入}{\to }$ 乙种生物→新品种

2012年6月21日，我国正式公布在海南省设立三沙市，该市是我国人口最少、海域面积最大的地级市，市政府所在地位于永兴岛．如图，读三沙市局部示意图，完成问题。

学习、生活中所涉及到的下列数值最接近实际情况的是（　　）

我国古籍《草木疏》上说“蝗类青色，长角长股，股鸣者也，”说明动物能通过       来传递信息。（    ）