【单选题】Choose the best answer accoding to the recording. The Chinese don’t give clocks as presents because they think the clocks may have an implied meaning of ___________.
【单选题】The history of clocks is very long, and there have been many different types of clocks over the centuries. 1. __________________________________
A.
Dividing the day into hours, minutes,and seconds
C.
Dividing the year into months and days
【简答题】A.Bells and masks. B.Clocks and masks. C.Clocks and swords. D.Bells and swords.
【简答题】患者男,40岁。职业司机,间断上腹胀痛3年,常于餐后加重,两冬春为重。3天前上腹胀痛加重,伴有反酸、嗳气,患者吸烟16年,平均20支/天。经胃镜检查,诊断为“胃溃疡”收入院。
【简答题】Their inner clocks tell them just where the sun will be, and they change their _____ correspondingly.
【简答题】从4名男生和2名女生中任选3人值日,设随机变量ξ表示所选3人中女生的人数. (Ⅰ)求ξ的分布列、数学期望Eξ; (Ⅱ)求事件“所选3人中女生至少有1人”的概率.
【单选题】What is the meaning of 'working round the clock'?
C.
Working with a clock nearby.
D.
Working day and night.
【单选题】(17.18题共用题干)患者,男,40岁,职业司机,间断上腹胀痛3年,常于餐后加重,冬春为重,3天前上腹胀痛加重,伴泛酸,嗳气。患者吸烟16年,平均20支/日,经胃镜检查,诊断为“胃溃疡”收入院。该患者饮食护理中,应尽量避免