搜题请搜索小程序“爱下问搜题”
问题 单项选择题

男性，30岁。随团去舟山旅游，餐后2h，突然发热、头痛、腹痛、腹泻，伴皮肤潮红，四肢及躯干部荨麻疹，大便7～8次，水样便，有臭味，共餐者有多人发病，食物中毒的可能致病菌是（）

A.副溶血弧菌食物中毒

B.普通变形杆菌

C.莫根变形杆菌

D.奇异变形杆菌

E.雷极变形杆菌

答案

参考答案：C

解析：病人在餐后发病，共餐者中有多人患病，符合食物中毒的诊断。患者有两种主要表现，即消化道症状与皮肤过敏表现。此仅见于莫根变形杆菌引起的食物中毒，该菌在食物中繁殖，产生肠毒素引起急性胃肠炎，并能使食物中组胺酸脱羧而形成组胺，引起过敏反应。

填空题

从54张扑克牌中抽出一张，抽到的扑克牌为梅花的概率为______，抽到的扑克牌为K的条件下恰好是梅花的概率为______．
查看答案
阅读理解
Read the following materials, and from A, B, C and D, choose the one that is suitable for the demands of each person from 77 to 80
Sam, Mr. Read, Miss Hope and the Kings each want to decide on an advertisement to answer. Read the following descriptions and help them make proper choices.
(   ) 77. Sam will spend his holiday in Hawaii where there is lots of sunshine. Maybe he needs to buy something to protect his eyes.
(   ) 78. Mr. Read has been out of work for weeks, and he feels very upset and don’t know what to do.
(   ) 79. Miss Hope is always ready to help others. She is a nurse and can speak good English.
(   ) 80. The Kings have just moved into a new house. They need to buy something to clean the floor and the carpet.
A．Dear Mrs. Web
Dear Mrs. Web provides free personal advice and opinions for you. She receives and answers worldwide email questions. She will offer you some new suggestions on your problems, like study stress, disinterested friend... Dear Mrs. Web welcomes all questions and comments. You can receive the reply usually in 48 hours. Her email address is mrsweb@advice.com.
B．Help Line Volunteers
Every year thousands of old people are in need of our help. The Help Line provides a heartwarming, helpful, kind support and information service for the English aged people. We are in need of volunteers who are:
warm-hearted and patient
can work 10 hours every week
Please call us at 0241-85902 or email us. helper@lineservice.com
C．The King Sweeper
“My great, great grandfather invented the carpet sweeper 125 years ago. This King Sweeper is by far the best. I invite you to try it in your home. You’ll find it used daily in hospitals, restaurants, offices and homes throughout the world. This is just the thing to keep your carpet soft, clean and fresh. Only for $19.99!
D．Trendy Sunglasses
They can protect your eyes when driving, gardening or reading in the sun. It can make your life easier and happier, and make you look smarter! $10.99 each or 2 for $19.99!
查看答案