简述企业所得税的所得来源地是如何确定的。

某地区2009年底有1000万人口，零售商店数有5万个，则商业网点密度指标为（）。

A.5个／千人

B.5个／人

C.200个／人

D.20个／千人

完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，从短文后各题所给的四个选项(A、B、C、D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

It seemed to be an ordinary Saturday at the restaurant I worked in. Then, all of a sudden, all the staff started turning the kitch upside down, going through the garbage and looking for something. As it  36 , a fellow server had lost her wallet, which was full of  37 . It was really  38  to see so many people digging through the  39  and taking the time to help the girl. She was beside herself in  40 .

Then, the story took a turn for the  41 . They found her wallet in the staff bathroom,  42 . There is no  43  that another employee stole her money and left the empty wallet in the restroom  44  everyone else was busy trying to find it. Jaws dropped to the  45 , hearts sank, people were hurt and  46  and everyone was shocked that someone we worked with everyday could do such a thing. It  47  so dark and depressing — Where had goodness and love gone?

Then, the story took yet another surprising  48 — for the better! Next thing I knew was that another server was handing this girl $175.00 — a group of employees had pooled their money together to   49  the stolen money.

Customers that got wind of what had happened gave her money  50  . All kinds of people ,  51  some who didn’t know her, reached out their hands to help.  52  the end of evening her tears of pain had turned into tears of  53 . Overwhelmed by the love and kindness of others, the  54  was written all over her face as she thanked everyone as much as she could.

It’s things like this that  55  me that there is so much more love in every person in this world than there could ever be darkness.

36.  A. worked out       B. came out           C. ran out            D. turned out

37.  A. checks           B. earnings             C.bills              D. money

38.  A. frightening        B. relaxing            C. annoying          D. moving

39.  A.garbage           B. mud               C. crowds            D. streets

40.  A. excitement        B. happiness          C. tears              D. fear

41.  A.better             B. worse             C.best                D. worst

42.  A. full              B. broken            C. empty             D. dirty

43.  A. evidence          B. doubt             C. reason             D. question

44.  A. before           B. after              C. until               D. while

45.  A. floor             B. ceiling            C. roof                D. river

46.  A. anxious          B. suspect            C. upset               D. bored

47.  A. proved          B. seemed           C. caused               D. stated

48.  A. end              B. excuse            C. turn               D. chance

49.  A. replace           B. find               C. return               D. repair

50.  A. as for            B. as follows          C. as well             D. as above

51.  A. even             B. though             C. also               D. ever

52.  A. On              B. In                 C. At                D. By

53.  A. angry            B. joy                C. disappointment      D. shame

54.  A. satisfaction       B. surprise              C. gratitude           D. courage

55.  A. remind           B. warn              C. predict             D. illustrate

风湿性心脏病患者，心尖部双期杂音，左心房、左心室和右心室增大，两肺呈淤血征，应诊断为（）

A.二尖瓣狭窄

B.二尖瓣狭窄伴主动脉瓣关闭不全

C.二尖瓣关闭不全

D.二尖瓣狭窄伴二尖瓣关闭不全

E.主动脉瓣狭窄伴关闭不全

园艺学的研究范围包括果树园艺学，（），（），种苗园艺学和造园学。

简述中国古典园林的地方特色。