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【多选题】
OSI的第四层属于传输层,其作用是( )A.
可以提供可靠的数据传输
B.
是一种端到端的通讯
C.
流量控制和检错功能
D.
建立和拆除网络连接
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反馈参考答案：
举一反三
【多选题】产品市场定位的基本方式主要有：
A.
从时间过程来看，定位方式可以分为最初定位和重新定位
B.
从竞争的内容来看，即从企业定位时侧重于强调安排那些定位对象因素的角度来考察，市场定位的方式可以划分为若干种
C.
从竞争的关系来看，定位方式可以分为避强定位和迎头定位
D.
从企业竞争实力来看，定位方式可以分为高级定位和低级定位
【单选题】以下有关于细菌性阴道病的临床表现，不正确的是：
A.
症状于性交后加重
B.
40%无症状
C.
阴道排液增多，有鱼腥臭味
D.
白带灰白色、薄而均质，黏度很低
E.
擦去阴道分泌物，阴道黏膜有充血等炎症表现
【单选题】Listen to the five short conversations and choose the best answer to the questions. 1.
A.
Janice isn't interested in fashion and doesn't dress well.
B.
Janice isn't interested in fashion but still looks good.
C.
Janice wears fashionable clothes and usually looks good.
D.
Janice wears fashionable clothes, even when they don't suit her.
【单选题】Listen to the five short conversations and choose the best answer to the questions. 1.
A.
She thinks the man should give up his present job.
B.
She thinks the man should look for another job.
C.
She thinks it's difficult to earn a living as a protessional musician.
D.
She thinks the man will be successful as a musician.
【多选题】产品市场定位的基本方式主要有：
A.
从时间过程来看，定位方式可以分为最初定位和重新定位
B.
从企业竞争实力来看，定位方式可以分为高级定位和低级定位
C.
从竞争的内容来看，即从企业定位时侧重于强调安排那些定位对象因素的角度来考察，市场定位的方式可以划分为若干种
D.
从竞争的关系来看，定位方式可以分为避强定位和迎头定位
【简答题】Listen to the five short conversations and choosethe best answer to the questions. 1.A. The couple don’t spend their money wisely. B. The couple need to earn more money C. The couple are careful with ...
【单选题】Short conversations Listen to five short conversations and choose the best answer to each question you hear. 1.
A.
Run five miles a week.
B.
Bike for an hour every day.
C.
Walk for 10 minutes after dinner.
D.
Do whatever she can to exercise.
【简答题】Listen to the five short conversations and choose the best answer to the questions.
1.A. She thinks the man should give up his present job. B. She thinks the man should look for another job. C. She th...
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