在股指期货投资者适当性制度中,期货公司应当将投资者提供的证明文件及相关资料的原件或者复印件、投资者的测试试卷和综合评估表等作为开户资料予以保存。
参考答案:对
某商店有两个进价不同的计算器都卖了m元,其中一个盈利60%,另一个亏本20%,在这次买卖中,这家商店是赚了还是赔了?赚了或赔了多少?结果是______.
If you had told me in advance, I ___ him at the airport.
A.would meet
B.would had meet
C.would have met
D.would have meet