The depth of the ship below the waterline measured vertically to the lowest part of the hull is called
A.trim
B.lean
C.draft
D.tonnage
第1题:
Given the following DDL for the PARTS table:CREATE TABLE parts (part_no INT(9) NOT NULL, part_name VARCHAR(24), part_remain INT(9));All part numbers entered will be different and all rows should be displayed in order of increasing part numbers whenever the table is queried. Which of the following create index statements will meet this criteria and require the least amount of storage for the index object?()
A.CREATE UNIQUE INDEX idx_partno ON parts(part_no)
B.CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC)
C.CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC)
D.CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)
第2题:
The school advisers help you talk through your problem but they don’t give you any direct ______.
A. solution
B. target
C. measure
D. function
第3题:
In the 1970s Britain maintained the()growth rate and the()inflation rate among the developed countries.
Alowest/lowest
Bhighest/highest
Clowest/highest
Dhighest/lowest
第4题:
A.train
B.bus
C.car
D.ship
第5题:
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the ______.
A.distress position
B.spoken words “Mayday, Mayday, Mayday”
C.ship’s name
D.ship’s call letters
第6题:
3.钻孔深度(Depth)选择什么合理?