心脏骤停首选的治疗措施是（ ）
A．心肺复苏
B．安置起搏器
C．开通静脉输液
D．通畅呼吸道高浓度吸氧
参考答案：A
情景交际：根据上下文补全对话，每空一词。
A: 1______ is your birthday?
B: My birthday is October 8th.
A: What 2______ were you born?
B: I was born 3______ 1990.
A: 4______ you are 20 5______ 6______ .Will you 7______ a birthday parly?
B: Yes, of course.
A: 8______ can go to your party?
B: My good friends.
A: Can I go to your party?
B: Of course you 9______. You're my good friend, too. 10______ to my party!
A: Thank you very much.
厚利限销策略，它是将商品价格定得很高，以便在（）能获得较高的利润。
A、无限期
B、不定期
C、长期内
D、短期内
