You have to know whether the agreement between you and the company has the guarantee of law or not.
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The enclosure does not deserve consideration when you sign the contract.
A. 对
B. 错
The rights and obligations of both the applicant and the company are defined by the labour contract.
A. 对
B. 错
物点是发散光束的中心，像点是发散光束的光线反向延长线的交点，这是的情形。
A. 实物成实像
B. 实物成虚像
C. 虚物成实物
D. 虚物成虚像
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