Which of the following statements is TRUE?
A. Every businessman possesses these four skills.
B. When a striver stops his devotion to work,he will feel quite at ease.
C. These basic skills are not instinctual at all.
D. Mother's education has undoubted effect on her child's success.
第1题:
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
第2题:
第3题:
第4题:
Each life jacket light that has a non-replaceable power source must be replaced ______.
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
第5题:
第6题: