如图表示生态系统中生物之间的相互关系，请你根据图回答相关问题．

（1）图中的绿色植物利用____ ，制造____ ，不仅养活了自己，还养活了虫和鸟，所以它是生态系统中的____ ．

（2）图中的虫和鸟是生态系统中的____ ，它们不仅能帮助植物传粉和传播种子，而且直接或间接地以____ 为食，促进生物圈的物质循环．

（3）图中的细菌和真菌是生态系统中的____ ，①②③过程表示____ ，通过④可以看出____ 

（4）请你用一句话概括图示生物的关系：____ ．

下列句子表意明确，没有语病的一项是（     ）

下列各组数中，能构成直角三角形的是（　　）

缺词填空，其中13-15是根据上下文语境根据首字母填单词 
1.More information can be____(可获得的) on the Internet.
2.We all think his ____ (行为) is very strange. We must stop him from doing so.
3.This gift is so expensive that I can't ____(接受) it.
4.Thank you very much for giving me so many useful____ (建议)．
5.I have____(答复)to my penfriend’s letter．
6.Mr Wang is busy____ (解释)everything to us．
7.He often____(吵架)with his parents in the past．
8.____ (原谅)others for their mistakes is a good virtue．
9.Lily told me that she____(宁愿)to listen to music to relax herself．
10.Do you know who ____  (发现) America?  
11.The old man is different from others. He doesn't act ____ ( 正常 ).
12.Peter has had his bicycle ____ (修理).
13.Did you know that colours can i ____ our moods?
14.Who has p____ my bedroorn pink? My father.
15.Lin Tao is very clever，but he never shows off．He is m____ ．