Q: Why did some stores open at midnight on Thanksgiving night?
A. To attract young customers.
B. To beat other stores for sales.
C. To let people sleep late the next day.
D. To keep people stay up for the night.
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Q: How many Black Friday shoppers were reported to go to the shops at midnight this year?
A. 24 percent.
B. 37 percent.
C. 9.5 percent.
D. 23.5 percent.
Q: What can we learn about the 15-year-old Jenny?
A. She and her cousins went back home at midnight.
B. She liked the traditional 4 a.m. Black Friday openings better.
C. She preferred midnight shopping to early morning shopping.
D. She and her cousins got up very early to buy discounted items.
在支路电流法分析中，用基尔霍夫电流定律列节点电流方程时，若电路中有N个结点，应列写的结点电流方程数为 ()个。
A. N+1
B. N
C. N-1
D. 支路数
阻断胃壁细胞H+泵的抗消化性溃疡药是
A. 米索前列醇
B. 奥美拉唑
C. 丙谷胺
D. 丙胺太林
E. 西咪替丁
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