下列几种情况中,与佝偻病的病因关系最密切的是( )。
A.维生素B1缺乏
B.维生素B2缺乏
C.维生素D缺乏
D.维生素E缺乏
E.维生素A缺乏
参考答案:C
Alice打电话给Laura,相约于明天上午九点在St.Peter's hosptal门口会合一起去看望因病住在该院的
数学老师,可是Laura不在,她母亲接了电话,Alice请她转告Laura有关事项。根据提示内容和对话大意,在空白处填写所缺的词或词组。每空不限填一个单词。
A: Alice B: Laura's mother
A. Hello! Could I 1______ to Laura, please?
B: I'm sorry she isn't in. This is Laura's mother. Can I 2______ ?
A: You are very kind. This is Alice. I am sorry to tell you that our 3______ is ill.
She is now in hospital. I'd like Laura to go to visit her with me.
B: Sorry to hear that. I'll let Laura know it. When and where will you meet?
A: What about 9:00 4______ St. Peter's Hospital?
B: Ok. I'll give her the message.
A: All right. 5______!
B: See you later!
人工氧合就是用人工的方法恢复呼吸或心跳,是触电急救行之有效的科学方法。人工氧合只有人工呼吸一种方法。( )