As everyone knows, there are many 　16　 of transportation in the world, like bicycles, buses, ships, trains and 　17　 .
If you are in big  18　like Shanghai or Beijing, maybe you get to school   19  a subway or you have to 　20　 to school because you live in a mountain village. Here I am just trying to say something about　21　 .
Ten years　22　, bicycles were very　23　in most villages.  24　 family had one or two of bicycles. Children got to school by bicycle; 　25　 rode bicycles to go shopping. Then motorcycles (摩托车)   26  to become popular. People no longer rode bicycles because motorcycles ran   27  faster.  But now, in some countries，bicycles are highly suggested
  28  the main means of transportation. They think buses, cars and motorcycles pollute(污染) the air but bicycles   29  . So, to live a low-carbon life,   30  a bike is a good way.

A:Mum,I’ve lost my art book.Have you　1　it anywhere?

B:Is it the book　2　a red cover?

A:Yes,that’s　3 ! Where did you　4　it?

B:Sorry,I  　5　seen it  6  .  7  you tried to look  8  it under your bed? Maybe you dropped(丢) it there.

A:Oh!Here it  9  .  10  goodness!

B:You should  11  more careful from now on.

A:Yes,it won’t happen(发生)  12  .

Have you ever complained (抱怨) why life is so tiring? Does the sky sometimes　 36 dark to you? Are your lessons sometimes not successful? Well, friends, cheer up and　 37　 all the time. If you see the world with your warm heart, you will find the whole world smiling to you.

On a sunny morning, you plan to have a walk to relax yourself. Just before you go out, it 　38 starts to rain. Maybe you would feel very sad and start to complain about the weather. But dear friends, why　 39 sit down and listen to the free concert that the nature brings you? And with the timely rain, crops(庄稼) in the fields will grow better and farmers will have a good harvest (收成).

40　 everyone wants to succeed in what he tries to do, life isn’t a bed of roses. It’s very common to meet difficulties on the way to success.　 41　 difficulty isn't terrible. The real terrible thing is that we are afraid of it. Difficulty is 42　 a spring (弹簧). If you are 　43　 , it will be strong. So when you meet difficulties, don't give up. Instead, you should face them with a smile.

Attitude 　44　 everything. With an optimistic (乐观的) attitude, life is easy and 45 . If you want to be happy, try to remember these five easy rules. Free your heart from hate; Free your mind from worries; Live an easy life; Give more; Expect less. The quickest way to receive happiness is to smile, the fastest way to lose it is to complain.

36. A. seem B. seems C. seemed

37. A. cry B. smile　 C. complain

38. A. suddenly B. finally　 C. hardly

39. A. don't　 B. not　 C. didn’t

40. A. But B. For　 C. Although

4l. A. In fact B. From early on　 C. For example

42. A. unlike　 B. likes　 C. like

43. A. powerful B. weak　 C. confident

44. A. decides 　 B. deciding　 C. to decide

45 A. please　 B. pleased　　 C. pleasant