体内贮存的脂肪主要来源于（） A.类脂 B.生糖氨基酸 C.葡萄糖 D.脂酸 E.酮

关于银行汇票结算方式下列说法正确的是()。

A．银行汇票的提示付款期限自出票日起2个月

B．单位和个人的各种款项结算，均可使用银行汇票

C．银行汇票未填明实际结算金额和多余金额的，银行不受理

D．实际结算金额超过出票金额的银行汇票不得背书转让

第二节：完形填空(共20小题，每小题1．5分，满分30分)

阅读下面短文，掌握其大意，然后从36～55各题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。

Throughout history，people have been the victims of pickpockets．Today，  36  is one of the most rapidly increasing  37 ．Pickpockets are increasing   38  and developing better methods to Practice their skill．  39  one million Americans lose money to pickpockets every year．No one is really safe  40  a skilled pickpocket．His victims，or“marks” 41  they are rolled，can be rich or poor，young or old．  42 the 18th century，pickpockets   43  in England．Large crowds of people would gather to watch the hanging  44 was supposed to be a warning to other pickpockets．  45 ，in time the practice Was discontinued．

Police officials say that most   46  pickpockets come from South America． 47 these expert pickpockets  48   in special schools called Jingle Bell School．A pickpocket graduates from a J．B． 4 9 he is able to steal a wallet from a dressed dummy that has  50 inside its pockets!

Some of the  51  places of pickpockets are banks，airports，supermarkets，trains and bus stations．  52 a pickpocket will work with another pickpocket  53  his partner．  54  being the victim of a pickpocket，it is   55 to be very careful when in the midst of large gatherings of people．

36．A．pick pocketing           B．stealing pickpockets 

C．to pickpocket             D．to steal pickpockets

37．A．headaches           B．faults           C．mistakes                 D．crimes

38．A．by far                 B．at random    C．in number              D．out of order

39．A．Automatically     B．Obviously    C．Approximately       D．Subsequently

40．A．against               B．with            C．out of                    D．from

41．A．since                  B．as                C．so                          D．thus

42．A．At                      B．Since           C．From                     D．During

43．A．were hanged       B．would hang   C．were hung              D．must be hung

44．A．what                  B．of which      C．which                    D．among whom

43．A．Therefore           B．At once       C．Because                 D．However

46．A．attractive            B．convenient    C．efficient                 D．serious

47．A．Much of             B．A large amount of   

C．Many of                 D．A great number

48．A．are researched     B．specialize            C．are trained              D．major

49．A．where                 B．when                  C．although                D．however

50．A．money                B．jewelry               C．bells                      D．rings

51．A．favorite              B．liking                    C．favored                  D．be liked

52．A．Seldom               B．Once                  C．Often                     D．Forever

53．A．like                    B．being                  C．for                        D．as

54．A．To avoid             B．To neglect           C．Trying not              D．To forget

55．A．critical               B．fortunately          C．important               D．obvious

重要电力客户分为哪几级？

[说明]

甲公司的经营销售业务目前是手工处理的，随着业务量的增长，准备采用关系数据库对销售信息进行管理。经销业务的手工处理主要涉及以下3种表格：订单、客户表和产品表，如图3-2所示。

为了用计算机管理销售信息，甲公司提出应达到以下要求：产品的单价发生变化时，应及时修改产品表中的单价数据；客户购货计价采用订货时的单价；订货后，即使单价发生变化，计算用的单价也不变。
在设计数据库时，经销部的王先生建立了如图3-3所示的数据模型。

由于上述模型对建立关系数据库是不合适的，因此王先生又修改了数据模型，并设计了如下几个关系模式(带下画线的数据项是主键)。
Customer(CustomerNo,CustomerName,Address,Phone)
Product(ProductNo,ProductName,UnitPrice)
Order(OrderNo,CustomerNo,Date)
OrderDetail(OrderNo,ProductNo,Quantity)
1. 请按[说明]中的要求画出修改后的数据模型。

违反法律、法规的合同是（）合同。