题目

如图表示温度、光照对铜绿微囊藻和玫瑰拟衣藻光合作用的影响．通过比较不同条件下两种藻的净光合速率，可分析它们对环境的适应性及竞争优势．请分析回答．（1）运用同位素标记法可证明：H218O中的18O进入葡萄糖的途径是 ；暗反应中碳的转移途径是 （用文字和箭头回答）（2）由图1可知，玫瑰拟衣藻和铜绿微囊藻生长的最适温度分别为 和 ．两者在35℃时混合培养时，具有竞争优势的是 （3）图2为30℃时获得的实验结果，则：①光照强度为630μmol【小题1】Listen! The radio says something bad________(happen) last night.【小题2】He spent as much time as he could_______(study) different subjects.【小题3】The teacher told us that light ___________ (travel ) much faster than sound.【小题4】I won’t be able to take part in the party if I ________(not be) free.【小题5】There ____________(not be) a lot of changes in the next 24 hours, are there?【小题6】They are good friends They often sit on the playground,________(talk) about their future plans.【小题7】Luckily, he ____________( catch) the first bus and wasn’t late for school.    【小题8】The elderly like to keep pets _____ (make) their life better.        【小题9】Dad said to Mike,"I hope you_________(not forget) to write to me soon.”【小题10】The plane ______ ( arrive). You can see your mother at once.