婴幼儿上呼吸道的解剖特点包括() A.管腔狭窄 B.黏膜柔嫩 C.血管丰富 D.咽鼓

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问题:

婴幼儿上呼吸道的解剖特点包括()

A.管腔狭窄

B.黏膜柔嫩

C.血管丰富

D.咽鼓管呈斜位

E.鼻窦口相对较大

考点:儿科护理(医学高级)呼吸系统疾病呼吸系统疾病题库
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如图所示为某日的太阳光照图,此时北半球的节气是[ ]

A.春分日

B.夏至日

C.秋分日

D.冬至日

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科学探究的一般步骤包括:提出问题、_____________、制定计划、实施计划、得出结论、表达和交流等。

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Good afternoon, everybody. I’m pleased to be here with you, graduates of 2007. I’m a (1) , and students often approach me with (2) . You see, we are living in a society of great changes. With the presence of (3) , the process of getting a job in today’s world has changed for (4) .
Well, how can you use new technologies to help you First, let’s look at how you (5) . The traditional method of hunting for a job in the past required first, doing research on jobs that were (6) , typically by looking in newspapers, periodicals and magazines, as well as TV ads, and (7) . Then you decided where and for what post you were going to apply, put your resume (8) in a stamped envelope, and waited anxiously for someone to (9) .
Well, today, maybe the job search and (10) are very much the same, but the tools used are much more advanced, and they (11) . In fact, technology has not so much changed the process as enhanced it. The benefit, both for (12) , is that this makes the search more open to people of (13) from all over the world. But as more people are involved, it becomes (14) for the applicant than it ever was before.
The (15) for the working world today is learning these new and (16) and combining them with the older methods people have been using for years. For example, (17) , you can research employment not just in your city, but also in your state, your country, and (18) . You can copy information from a web page and paste it into a Microsoft Word document that’s easy to (19) . In many ways, it’s easier now: Just type your job application, click, and (20) ; it gets there in an instant.

题型:多项选择题

当工程网络计划的工期优化过程中出现多条关键线路时,必须()。

A.将持续时间最长的关键工作压缩为非关键工作

B.压缩各条关键线路上直接费最小的工作的持续时间

C.压缩各条关键线路上持续时间最长的工作的持续时间

D.将各条关键线路的总持续时间压缩相同数值

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下图表示人体内某些淋巴细胞的分化和免疫过程,数字表示过程,字母表示细胞或物质。请分析并回答:

③过程是在X的刺激和a细胞等的参与下共同完成的。这属于()免疫。与③过程相比,④过程的应答特点是()

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