A.postpone
B.postcard
C.propose
D.surround
A.overtake
B.maintain
C.surround
D.accommodate
A.urban
B.municiple
C.municipal
D.city
A.original
B.distressing
C.introduced
D.basically
E.dependable
A.set
B.landing
C.land
D.to land
A.were constrained to
B.had to
C.were grateful to
D.were persuaded to
A.capable
B.able
C.willing
D.generous
A、Her mother would remind her
B、The rain ell for a week; therefore,every street in the city was flooded
C、Because the rain fell for a week, every street in the city was floode
D、She wanted to make sure that her mother wasn' t watching
设有关系数据:
PART(PART_NO,PART_NAME)
PROJECT(PROJECT_NO,PROJECT_NAME)
SUPPLIER(SUPPLIER_NO,SUPPLIER_NAME,CITY)
SUPPLY(PART_NO,PROJECT_NO,SUPPLIER_NO,QUANTITY)
其 中PART,PROJECT,SUPPLIER,SUPPLY分别表示零部件、工程、供货商和供货四个关系,关系中各属性的含义是:PART_NO(工程 编号,主键);PART_NAME(零件名称);PROJECT_NO(工程编号,主键);PROJECT_NAME(工程名 称);SUPPLIER_NO(供货商编号,主键);SUPPLIE_NAME(供货商名称);CITY(供货商所在城市);QUANTITY(供货量)
(1)用关系代数表达式表示如下询问:找出使用了长沙的供货商所供零部件的所有工程的名称。
(2)用SQL语言表示(1)中的询问
A、Write both English and the local language, so taxi drivers can read it
B、Be direct when directing
C、Give directions from the guests’ perspective
D、All of the above are good practices