一家上市公司在2006年年初的工作会议上提出，力争在本年度实现利润2亿元。如果从计划工作的表现形式看，此计划是()。
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种子传病的效应包括植物病原的致病效应和流行效应。
A. 正确
B. 错误
How many nonlinguistic forms of communication are mentioned in this passage？
A. 5.
B. 6
C. 7
D. 8
In the last paragraph, the phrase "this wide, confused wilderness" refers to ______.
A. personal experience
B. wild weeds among good plants
C. the information from the parents
D. the vast store of traditional practices
What seems to be the problem？
A. The man is not satisfied with the service here.
B. The man's wife can't find her watch.
C. The man doesn't want his room to be cleaned
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