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问题 单项选择题

容易引起副溶血性弧菌食物中毒的食品是（）。

A.肉制品，剩米饭

B.鱼虾蟹贝类等

C.禽蛋类

D.面包、面条等食品

E.臭豆腐、豆酱等

答案

参考答案：B

解析：副溶血性弧菌食物中毒的特点如下：①病原体：副溶血性弧菌在含盐3%～4%培养基上和食物中生长良好。无盐条件下不生长，故又称嗜盐菌。该菌不耐热，20%醋酸或50%食醋1～3分钟也可将其杀死。该菌可致胃肠道黏膜炎症，并产生肠毒素和耐热性溶血素；其溶血素对心脏、肝脏等重要器官均有毒性。②引起该类中毒的食品，多为鱼、虾、蟹、贝类等海产品和咸菜。近海的海产品平均带菌率45.6%～48.7%，以7～9月份带菌率最高。

单项选择题

风险控制措施包括风险回避，损失控制、风险分离、风险分散及风险转移等，下列措施中属于风险分离措施的是( )。

A．供应商通过扩大供应渠道以避免货物滞销
B．施工事故发生后采取紧急救护，安装火灾警报系统
C．在施工过程中，承包商对材料进行分隔存放
D．工程承包中的分包
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单项选择题

What’s your earliest childhood memory Can you remember learning to walk Or talk The first time you heard thunder or watched a television program Adults seldom (1) events much earlier than the year or so before entering school, (2) children younger than three or four (3) retain any specific, personal experiences.

A variety of explanations have been (4) by psychologists for this "childhood amnesia". One argues that the hippo-campus; the region of the brain which is (5) for forming memories, does not mature until about the age of two. But the most popular theory (6) that, since adults don’t think like children, they cannot (7) childhood memories. Adults think in words, and their life memories are like stories or (8) one event follows (9) as in a novel or film. But when they search through their mental (10) for early childhood memories to add to this verbal life story, they don’t find any that fit the (11) . It’s like trying to find a Chinese word in an English dictionary.

Now psychologist Annette Simms of the New York State University offers a new (12) for childhood amnesia. She argues that there simply aren’t any early childhood memories to (13) . According to Dr. Simms, children need to learn to use someone else’s spoken description of their personal (14) in order to turn their own short-term, quickly forgotten (15) of them into long-term memories. In other (16) , children have to talk about their experiences and hear others talk about (17) --Mother talking about the afternoon (18) looking for seashells at the beach or Dad asking them about their day at Ocean Park. Without this (19) reinforcement, says Dr. Simms, children cannot form (20) memories of their personal experiences.

Notes: childhood amnesia 儿童失忆症。

6（）

A.declines

B.assesses

C.estimates

D.maintains
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