第69題： When performing projec activity duration estimates,（）is not included in the estimation techniques.
A．Three-point Estimating
B．Analogous Estimating
C．Parametric Estimating
D．Checklist Estimating
答案解析與討論：www.xcpkj.com/st/568149148.html

第70題： Self-driving technologies are important for the research and development in the field of（）。
A．Cloud Computing
B．Digital Finance
C．Artificial Intelligence
D．Intelligent Manufacturing
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第71題： To build a modern logistics system，we should work on the（） of its infrastructure, including railways and ports, and promote the integration of cources in the sector.
A．digital transformation
B．new generation of communication technology
C．block-chain technology
D．VR and AR
答案解析與討論：www.xcpkj.com/st/5681613794.html

第73題： （）is enforced in 2021。
A．The Civil Code of the People's Republic of China
B．The Tendering and Bidding Law of the People's Republic of China
C．Government Procurement Law of the People's Republic of China.
D．The Personal Information Protection Law of the People's Republic of China
答案解析與討論：www.xcpkj.com/st/5681821816.html