（1）单选题
Which of the following will not be considered when choosing a programming language?
A product efficiency
B application domain
C cost
D personal preference
（2）单选题
Which of the following are disadvantages of top-down integration and implementation?
A Operational modules may not be adequately tested.
B Major design faults show up late.
C Fault isolation
D None of the above
（3）单选题
Which of the following statements is correct?
A Surely, integration should follow implementation.
B Drivers are needed for top-down implementation and integration.
C Drivers are needed for bottom-up implementation and integration.
D Stubs are needed for bottom-up implementation and integration.
（4）单选题
Which of the following are disadvantages of bottom-up integration and implementation?
I. Operational modules may not be adequately tested.
II. Logical modules may not be adequately tested.
III. It promotes responsibility-driven design.
A I, II, and III
B II only
C III only
D II and III only
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