6. What was the manager's team-building plan based on?
A. having many employee picnics
B. employees sharing perspectives
C. solving problems
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Using your notes to decide if the statements are true or false.[音频]1. The new manager's changes made it easier for Mrs. Parks to do her job.
A. 对
B. 错
2. In the end, the manager decided the employees just needed to adjust to the new office organization.
A. 对
B. 错
反三角函数包括:________、________、________、________。
函数y=lgcosx是由函数________、________复合而成的。