Riding a bike helps develop a child's sense of ________.
A. direction
B. movement
C. balance
D. coordination
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Carter is in charge of the office while I'm ________.
A. leaving
B. on leaving
C. on leave
D. on relief
Although we welcome the proposal, we shall ________ detailed examination in the committee.
A. subject it to
B. subject to
C. subject to it
D. subject it
Normally ( ) is the longest life-cycle phase.
A. requirements analysis and definition
B. system and software design
C. implementation and unit testing
D. integration and system testing
E. operation and maintenance
The system specification is determined after the （ ） process.
A. requirements analysis and definition
B. system and software design
C. implementation and unit testing
D. integration and system testing
E. operation and maintenance
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