下图是花的基本结构示意图，请据图回答：

（1）填写图中的各标号的名称：10____ ；11____ 。
（2）这朵花的颜色鲜艳，且有花蜜，由此可推断它是通过____ 来传粉的。
（3）完成传粉受精作用后③发育成____ ；④发育成____ 。
 ( 4 )为了弥补自然状态下传粉的不足，人们常常给植物进行____ 。

阅读下列短文，从每题所给的几个选项中，选出最佳选项。

Do you know something about the holiday camps in Hong Kong? The students in Hong Kong used to take part in an English holiday camp in their holidays. And their parents weren’t with them, though they were very young.Now they still enjoy taking part in many kinds of holiday camps without their parents. Many parents let their children take part in some kinds of holiday camps in order to learn some practical knowledge in their life and also learn some knowledge about living skills, science, reading and writing ... The most important for the children is to learn to look after themselves. Holiday camps in Hong Kong are not so expensive. Most families can afford to send their children there for further study or for making their bodies strong.

It is said that students in Hong Kong have much knowledge about many things. Perhaps it has something to do with all kinds of holiday camps.

冬天又来到，从沙漠吹来的黄风一夜的工夫能冻死许多人。听着风声，祥子把头往被子里埋，不敢再起来。直到风停，止住那狼嚎鬼叫的响声，他才无可奈何的起来，打不定主意是出去好呢，还是歇一天。他懒得去拿那冰凉的车把，怕那噎得使人恶心的风。狂风怕日落，直到四点多钟，风才完全静止，昏黄的天上透出些夕照的微红。他强打精神，把车拉出来。揣着手，用胸部顶着车把的头，无精打采的慢慢的晃，嘴中叼着半根烟卷。一会儿，天便黑了，他想快拉上俩买卖，好早些收车。懒得去点灯，直到沿路的巡警催了他四五次，才把它们点上。