根据短文内容，判断正误。正确填(A)错误填(B)。
   What would the future life be like? I think we can travel faster and safer around the world and into space. Maybe one day we can work in Beijing, sleep in Chengdu and visit the moon for a holiday.
   We will have new energy(能源) that doesn’t make pollution. Possibly, people will find ways to use cleaner things, such as sea water, to make energy without polluting the earth.
   We will have machines that can copy everything in the future. Put a cake on the machine and it makes a new one. Of the machine is like a fax-machine, we can send food and presents to our friends easily.
   We will have clever robots that work for us, and the robots can bring us useful things and take away our trash. Now we have to press a key or type a word to make a machine work. But in the future, if we think of something, the machine can make it for us. The machine can understand our ideas.
   We can go into computer games and films, and everything will feel real. We can make our homes like forests or sunny beaches or anything we want. Maybe, one day we can collect our dreams and put our dreams on DVDs

观察鲫鱼时，我们看到鲫鱼的身体呈____ 形，这种体形在它游泳时可以起到减小____ 的作用．

下列结论正确的是（  ）

能在沙漠中生活的植物，一般根系特别发达，或叶片变为刺，那些吸水、保

水功能差的植物在沙漠中不能生存，达尔文对这一现象的解释是（）

阅读文言文，回答问题    【甲】大道之行也，天下为公。选贤与能，讲信修睦。故人不独亲其亲，不独子其子，使老有所终，壮有所用，幼有所长，矜、寡、孤、独、废疾者皆有所养，男有分，女有归。货恶其弃于地也，不必藏于己；力恶其不出于身也，不必为己。是故谋闭而不兴，盗窃乱贼而不作，故外户而不闭。是谓大同。
（《大道之行也》）
    【乙】礼起于何也？曰：人生而有欲，欲而不得，则不能无求；求而无度量分界，则不能不争；争则乱，乱则穷^①。先王恶其乱也，故制礼义以分^②之，以养人之欲，给人之求，使欲必不穷于物，物必不屈^③于欲，两者相持而长，是礼之所以起也。
（节选自荀子《礼论》）
【注释】①穷：困境。②分：区分、辨别。③屈：竭尽。