How do children inAmericacelebrate Valentine's Day?
A. Send flowers.
B. Send candy.
C. Send valentine cards.
D. All of the above.
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What is the cost of printing a message in the newspaper to show one’s love? It's _______.
A. a few dollars
B. a few dollars in a local newspaper and 80 dollars in USA Today
C. 80 dollars and more
D. very expensive
支票是提示付款期限是出票日起（ ）。
A. 3日内
B. 5日内
C. 10日内
D. 15日内
用于支取现金的支票仅限于收款人委托其开户银行收款。（ ）
A. 对
B. 错
对于学校层面，该如何预防网络游戏成瘾？（）
A. 全面评估
B. 重点关注
C. 科普宣传
D. 提前筛查
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