The secret to happiness is keeping busy, research by Professor Christopher has found. Keeping the mind 　48　 with tasks--- no matter how meaningless---can keep away from 　49　 emotions. But humans seem born to be lazy in order to save 　50　 .

In a study each student was given a choice of handing in a survey nearby or at a more distant 　51　 they had to walk to. The findings showed that the students who had taken the walk felt happier.

At the individual level, he advised: “Get up and do something, 　52　 there really is no point to what you are doing.” Then he 　53　 : “Incidentally, thinking deeply or engaging in self-reflection 　54 as keeping busy. You don’t need to be running around---you just need to be engaged, either physically or 　55　 .”

48.A.carried 　　　　　　　　 B. occupied　　　　　　　　　 C. burdened 　　　　　　　　 D. crowded

49.A.aggresive　　　　　　　 B. ordinary　　　　　　　　　　 C. negative 　　　　　　　　　 D. changeable

50.A.money　　　　　　　　　 B. life　　　　　　　　　　　　　 C. resource　　　　　　　　　 D. energy

51.A.location　　　　　　　　 B. situation　　　　　　　　　　 C. direction　　　　　　　　　 D. occasion

52.A.as if 　　　　　　　　　　 B. even if 　　　　　　　　　　 C. as long as 　　　　　　　　 D. now that

53 A. discovered 　　　　 B. claimed　　　　　　　　　　 C. predicted　　　　　　　　　 D. added

54.A.counts B. benefits C. stresses 　　　　　　　　　 D. influences

55 A. generally　　　　　　　 B. mentally 　　　　　　　　　 C. usually　　　　　　　　　　　 D. normally

One day, a professor who is expert at time management gave an illustration to a group of business students.

He stood in front of the group, with a wide-mouth jar   36   on the table. Then he placed a packet of rocks into the jar. When the jar was filled to the top, he asked, “Is this jar        37   ?” Everyone said, “Yes.”

 “Really?” Then he placed some gravel(碎石) and   38   the jar, making the gravel down into the  39  between the big rocks. Then he asked the same question. “Probably not,” one of the students answered.

Then he placed some sand in it and once more he asked the question. “No!” the class shouted. Finally he grabbed a can of water and poured it in   40   the jar was filled to the brim(瓶邊，瓶沿).

He looked at the whole class and asked, “What is the   41   of this illustration?” One student raised his hand and said, “It is, however full your   42   is, if you try really hard, you can always   43   some more things in it.”

“Not really,” the professor replied. “the   44   it teaches us is that you will never get them in if you don’t put the big rocks in first. Whatever the big rocks in your life are, do things that you love and  45  for yourself. So, tonight, or in the morning, when you are  46   on this story, ask yourself what the “big rocks” in your life are. Then put those in your “  47  ”first.

36.A.built                      B. lay                             C. left                            D. set

37.A.full                         B. pure                          C. enough                      D. smooth

38.A.dropped                  B. shook                        C. held                           D. delivered

39.A.spaces                    B. holes                         C. blanks                        D. bottoms

40.A.unless                    B. when                         C. while                         D. until

41.A.result                     B. opinion                      C. point                          D. comment

42.A.schedule                 B. lifestyle                      C. business                    D. process

43.A.share                      B. fit                              C. include                       D. contain

44.A.truth                      B. reality                        C. belief                         D. conclusion

45.A.encourage               B. like                            C. achieve                      D. value

46.A.counting                B. deciding                     C. insisting                     D. reflecting

47.A.packet                    B. can                            C. jar                             D. table

—Have you been wasting time on computer games again?

—____. I’ve been studying a lot and I need a break.

A. I couldn’t agree more     B. No way     C. Not really   D. Never mind

 It is not how much we do but how much love we put into what we do ____benefits our work most.

A .what           B. how           C. that            D. which

 The students were busy doing their homework, only____ once in a while to have a rest.

A. to stop        B. stopping         C. to have stopped      D. having stopped

 By this time next summer, you ____ a well-paid job. I, on the other hand, will still be studying.

A. will find        B. will have found   C. have found      D. find

—Is everybody here?

—Not yet…Look, there ____ the rest of classmates!

A. come　　　　　 B. comes　　　　 C. is coming　　　 D. are coming

 Some very common things such as ____ to the sun for a long time will do harm to people’s skin and even cause skin cancer.

A. exposing        B. having exposed      C. being exposed   D. exposed

 After months of a frustrating voyage on the rough sea, they eventually came to __ they called their “dreamland”.

A. where            B. what          C. how          D. which

 The government is planning to build a new primary school ____ many migrant workers with young children are now living.

A. though          B. when          C. where         D. so that