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【单选题】
During the flight, a good leader should not()A.
communicate with the team and keep them informed of intentions before acting on those decisions
B.
cannot recognize different behavioral styles and balance concern for people with concern for performance.
C.
involve the team in most decision making processes.
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举一反三
【简答题】麻花钻柄部是钻头的夹持部分，它的功用是（）和（）。
【判断题】New drugs like symptom-modifying drugs will be the final cure for chronic pain.
A.
正确
B.
错误
【简答题】New drugs or devices must be tested before being used________.