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对新办小型商贸企业必须自税务登记之日起，一年内销售额达到180万元，方可申请一般纳税人资格认定。( )

A. 对
B. 错

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Part A You will hear an interview about Mary Kay. As you listen, answer Questions I to 10 by circling TRUE or FALSE. You will hear the conversation ONLY ONCE. You now have 1 minute to read Questions i to 10.Questions 1 to 10: Mary Kay Cosmetics has businesses in 37 countries.

A. 对
B. 错

Part A You will hear an interview about Mary Kay. As you listen, answer Questions I to 10 by circling TRUE or FALSE. You will hear the conversation ONLY ONCE. You now have 1 minute to read Questions i to 10.Questions 1 to 10: In the state of Texas, Mary Kay started her company.

A. 对
B. 错

工程地质勘探的方法主要有、和__三种。

地基内一点的应力状态σz=125kPa，σx=60kPa，剪应力τzx =τxz=25kPa，若(1)土为无粘性土，φ=30°；(2)土为粘性土，φ=20°，c=10kPa，问该点是否处于极限平衡状态？如果剪坏，那么剪切破坏面与最大主应力面的夹角是多少？