43. We can infer that_____________ from the passage.

A.the writer was born in a poor family in the U. S.

B. he took part in a two-week program in Guatemala City.

C. he is in charge of a group working to improve local environments for people and animals

D. he always worries about his future.

42. What's the writer's belief before taking part in a two- week program?

A.He believes that the rich should help the poor.

B. There is nobody whose life can be controlled by poverty and hunger.

C. Doing whatever he can to help find practical ways to defeat hunger.

D. He believes in offering help to those who need it.

41. Why does the writer say that they are living in a house like oven?

第15章Because the house is built in the grassland

B. Because the house is broken and can't live well

C. Because the house is not equipped with good furniture.

D. Because the house is very hot and feels uncomfortable to live in.

39. A. will　　　　　　 B. must　　　　　 　　C. should　　　　　 D. may

38. A. loneliness　　　 B. kindness　　　　 C. relationship　　　 D. pleasure

37. A. Instead　　　　 B. Therefore　　　　　 C. So　　　　　　 D. Besides

36. A. receiving　　　 B. inviting　　　　　 C. accepting　　　 D. gaining

35. A. remaining　　　 B. staying　　　　　 C. keeping　　　　 D. waiting

34. A. while　　　　　 B. if　　　　　　　 C. unless　　　　 D. although