题目内容

喉口两侧有

A. 咽隐窝
B. 蝶筛隐窝
C. 扁桃体窝
D. 梨状隐窝

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关于鼻腔描述正确的是

A. 有呼吸和嗅觉两种功能
B. 内侧壁有三个鼻甲
C. 鼻中隔上部由软骨构成
D. 中鼻道有鼻泪管的开口

上呼吸道包括

A. 鼻、咽
B. 鼻、咽、喉
C. 鼻至气管
D. 口、咽、喉

The Internet has made English learning much easier. English learners used to be (1)______ to spend their time in libraries looking for the books that would help them in their language studies. It was very inconvenient because a lot of materials could only be found in (2) ______ and uninteresting textbooks and readers. But today authentic content on a variety of subjects is only a click away. This is especially (3) ______for those who wants to learn English earnestly.In order to achieve fluency in English, you need to be comfortable using at least 10,000 words. The (4) ______ materials on the Internet make it possible for you to choose appropriate content to read and listen to. These materials can be (5) ______ to your level if you input some key words in the search engine. But how can you remember the (6) ______ of unfamiliar words?In this case, the Internet (7) ______ makes it easier to learn vocabulary. You can use online dictionaries to instantly find out their grammatical (8) ______ and the specific meaning of these words. The Internet helps you to (9) ______ accumulate vocabulary based on lively and interesting language content, which greatly reduces your (10) ______ caused by inability to remember the new words. The efficiency of this vocabulary learning is one of the reasons why the Internet has become an ideal place to learn English.A. abundantB. superficialC. tediousD. absorbedE. functionsF. distressG. presentlyH. efficientlyI. adjustedJ. beneficialK. curiousL. obligedM. destinationsN. evidentlyO. bulk

以太网交换机检查和使用哪些信息来构建其地址表?

A. 源IP地址
B. 目的IP地址
C. 源MAC地址
D. 目的MAC地址

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