单项选择题

欧美国家引起新生儿败血症的主要病原菌是

A.大肠埃希菌
B.链球菌
C.葡萄球菌
D.表皮葡萄球菌
E.流感嗜血杆菌

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SECTION B PASSAGESDirections: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.听力原文： Good afternoon, and I'd like to welcome you all to Physics 101. This is not an easy class, and I want to inform. you of my rules before I begin. Let's take care of administrative matters before we move on to scientific matters.First of all, let's talk about the attendance policy. While I have no stern policy regarding attendance, I consider it to be the most important aspect of being a student in my class. I passed out an outline listing readings you must do before class. It is important to keep up with the week's readings because your lab will be based on it. If you miss more than four class sessions, I am obligated to give your name to the Dean of Students and you must meet with the Dean. If the Dean feels your absences are inexcusable, you may receive a failing mark for this coursE.A missed lab will count as two missed crass sessions. I feel that labs are doubly important and hencE.I give them double valuE.If you miss a quiz or a test, you can schedule a make-up during my office hours from four to five o'clock on Monday through Friday. Because I have office hours five days a week, this gives you plenty of time to see mE.So I have a strict policy that you must make up exams within three days.What is the main subject of this talk?A.Physics laboratories.B.Test make-up.C.Class assignments.D.The class attendance policy.

A.听力原文：
B.
C.
D.
What
E.Physics
F.
B.Test
G.
C.Class
H.
D.The

单项选择题

下列与新生儿寒冷损伤综合征的发病无关的是

A.早产
B.寒冷
C.溶血
D.窒息
E.感染

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