根据短文内容及首字母提示补全单词，使短文完整、通顺

    What do you think life will be like in the future? I don't think we will have to do some unpleasant housework at home because r____ can help us. For example, they will help us c____. The food they cook will be healthier and more delicious. We will f____ in love with such food. Then we will s____ more time reading books which can make sound. We will only need to ____ to them.

    A new ____ of clothes will be made. They will be warm in winter and cool in summer. We can fly freely in s____ like an astronaut to any planet in this kind of clothes. R____ will probably become very common transportation.

    S____ are making science develop faster and faster. They predict that our life will be better and better. I believe the prediction will come ____ soon.

把下面词语组成一句话，再加标点。

①也  你  本领  的  哇  不小

②谁知  将  孩子  外衣  更  裹得  紧  了

①人体中最多的物质是____

②侯氏制碱法的“碱”是____

③形成酸雨的气体是____

④食醋中的酸是____

⑤保持二氧化碳化学性质的最小粒子是____

紫色企鹅的羽毛颜色是由复等位基因决定的：Pd—深紫色、Pm—中紫色、Pl—浅紫色、Pvl很浅紫色(近于白色)。其显隐性关系是：Pd>Pm>Pl>Pvl(前者对后者为完全显性)。若有浅紫色企鹅(PlPvl)与深紫色企鹅交配，则后代小企鹅的羽毛颜色和比例可能是