Many people worry about the___(secure) of their credit card details.
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It would be very (disappoint) _____ if you went to Chinatown in San Francisco and did not get real Chinese food.
Watch out for people (cross) ___ the road.
Mr. Yuan Longping share a great (popular) _____ all over the world.
简化的分批法不宜在下列情况下采用（）
A. 各月间接费用水平相差较大
B. 各月间接费用水平相差不大
C. 月末未完工产品批量数较多
D. 投产批数繁多
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