男性，66岁，原有冠心病史10年，平素无症状，近日常清晨发作胸痛，持续时间20～30
题型：单项选择题
问题：
男性，66岁，原有冠心病史10年，平素无症状，近日常清晨发作胸痛，持续时间20～30分钟。胸痛发作时心电图V4～V6、T波直立，缓解后T波倒置。此时诊断应考虑（）
A.劳力型心绞痛
B.卧位型心绞痛
C.变异型心绞痛
D.心内膜下心肌梗死
E.梗塞后心绞痛
题型：单项选择题
1. For admission to the Detective House, a shopper needs to _____.
A. be a DBS card owner B. spend a total of $150
C. answer 3 simple questions D. have experience in solving cases
2. Mrs. Rosland, a DBS card holder, spent $200 in the mall, and she would be entitled to _____.
A. a free air ticket and a mother-of-pearl necklace
B. a white gold diamond and a limited edition key chain
C. a sure win gift of limited edition car key chain
D. a Peugeot P200 and a set of white gold diamond
3. Which of the following statements is true?
A. DBS Bank and Fraser Mall are the official sponsors.
B. All shoppers are entitled to a draw for free air ticket.
C. The rewards are open to all shoppers for the entire month of April.
D. DBS Card owners enjoy double chances in the "Win a car" lucky draw.
