第57题、What should you do when you have trouble with a specific piece of computer hardware? To check all_____________________________.
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第58题、When should you restart your computer? When_____________________________.
第59题、What can you do if you need additional help? You can_____________________________the writer.
甲乙双方订立买卖合同,甲为出卖人,乙为买受人,约定收货后10日内付款。甲在交货前有确切证据证明乙经营状况严重恶化,根据法律规定,甲可采取的措施是()。
A. 行使同时履行抗辩权
B. 行使先履行抗辩权
C. 行使不安抗辩权
D. 行使撤销权
当事人没有确切证据证明对方丧失履行合同能力即中止履行合同的,应当承担违约责任。
A. 对
B. 错