题目内容
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A. Sends Rapid Hellos to the restarting router.
B. Maintains Adjancency with restarting router.
C. Sends periodic DD packets to the restarting router.
D. Floods Type 9 LSAs to all routers indicating a restarting event.
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What is the logical order of the following paragraph? There are some differences, however. Whereas you will find more PCs in business offices, you will find more Macs in classrooms. Although Macs are the computers of choice of people who do a lot of art and graphic design in their work, PCs seem to be the choice of people who do a lot of “number crunching”. Finally, there is a difference in the availability of software, vendors, and service for the two computers. In general, there is a lot of PC-compatible software, but relatively little Mac software. Furthermore, for a Mac, you must purchase your machine and get service from Macintosh-authorized dealer, whereas many different computer stores sell and service PCs.
A、Chronological order
B、Inductive method
C、Logical division of ideas
D、Comparison and contrast
What is the correct order of the following statements to make an argument? Particular cultures are under threat nowadays due to the fact that we are living in a global village. What do you think can be done to protect a society’s traditional values and culture? a. Nor does it mean that they will fail to respect and value other people’s cultures. b. One way to protect traditional values and customs is simply to teach people to value their own culture. c. On the contrary, it will give them the confidence to operate in our global village without feeling that their own identity is under threat. d. This does not mean that they have to resist the current movement towards greater international trade.
A、d-b-c-a
B、b-a-c-d
C、d-a-b-c
D、b-d-a-c
A、Giving advice
B、Providing information
C、Doing almost nothing
D、Organizing a room for you
A、There are no controlled clinical trials showing that air-abrasion affects the clinical outcome of oxide ceramic restorations negatively.
B、There is still a controversy whether air-abrasion alters the strength of zirconia ceramic restorations.
C、On densely sintered zirconia clinically no durable bonding was achieved using silica-coating, silane application and using a MDP containing luting resin.
D、However, despite the use of retentive preparation design a debonding rate of 13.3% occurred within the first 53 months.
A、Women are economic independent.
B、Ownership of woman's property was transferred to their husbands upon marriage.
C、Divorce carried social stigma.
D、Women received the right to vote only after the passage of the 19th Amendment in 1920.
Due to the COVID-19 outbreak, the start of the spring semester for schools across the country is postponed. You are invited to give an imformative speech on COVID-19 to students of Grade 7 in your hometown when they get back to school. Please give an introduction to COVID-19 and inform how to protect ourselves against it. You are required to finish the speech within 2 minutes. 受新冠疫情的影响，全国各地学校延期开学。在家乡七年级学生开学时，你受邀为他们做一个关于COVID-19的信息型演讲。请在演讲中简要介绍COVID-19，并向同学们科普一下如何在开学后有效地保护自己。 【重要提示】 演讲受众：七年级（初中一年级）学生；注意语言表达通俗易通，适合受众。 演讲背景：疫情后开学返校； 演讲时间：2分钟以内（不少于1分钟）； 提交你的英文演讲稿（在文本框中输入文字）和演讲音频（以附件形式上传）
A、Activating students’ existing knowledge.
B、Giving students’ necessary background knowledge.
C、Making sure the students have a clear purpose for reading.
D、Checking students’ comprehension of the main idea.
A、a reference to the main purpose or hypothesis of the study
B、a review of the most important findings
C、possible explanations for or speculations about the findings
D、limitations of your study and recommendations for future research
4. A History of the Lunar Calendar WHAT IS THE LUNAR CALENDAR? In the past, just as today, measuring time was a vitally important thing. As people got situated, they began to look to the stars, they began to observe and one of the things they observed is how the moon changes phases. Based on this, some civilizations created calendars that followed two things–the phases of the moon, and the seasons around them. Lunar phases (or lunations) form what we today call synodic months (the word “month" coming from the Germanic word for moon) –and there are roughly 12 synodic months in a solar year –which, in itself, is strikingly similar to our normal year, with a difference of about 20 minutes. But, before people could start measuring the sky, observing the stars, the sun and the moon was done mostly through the naked eye, and the lunar calendar was thusly made. Most countries today use the Gregorian calendar: a Christian calendar that makes revisions to the earlier Julian calendar the Romans used (which is why some of the names for the months, like January, have roots in Greco-Roman religion–January is named for Janus) –but there are countries and religions that still use the lunar year for festivities and religious purposes. Saudi Arabia is a special case–over there, the classical Islamic calendar, which is purely lunar, is still in official use. This means that they’re off by about 11 or 12 days most of the time, but jump back into sync with other calendars measuring in solar years in an interval of 33 years. WHO USED THE LUNAR CALENDAR? A pure lunar calendar has only really been used in Islam–however, many pre-Gregorian civilizations used lunisolar calendars, which took into account not only the moon, but also the seasons, and the star constellations throughout the year–as a consequence they have to count an extra day here and there to make the math work. Lunisolar calendars are most popular in South Asia and the Middle East–the Hebrews, Hindus, Buddhists and Tibetans all use lunisolar calendars. The Chinese have a pretty famous lunisolar calendar, as well–ever heard of the year of the dog/rat/dragon/ox Chinese New Year in the Han calendar, named for the dynasty (ruling family) of its founding, begins on the second dark moon after the winter solstice (the shortest day of the year), and usually means Chinese firecrackers and colorful paper dragons. In Europe, two prominent ancient calendars were those used by the nordic Germanics, and those used by the Greek, whose calendars eventually morphed into our modern calendar through various revisions. The Germanic peoples are to be given credit for a lot of our English etymology when it comes to telling time: night, month, and year originate in the cold north of Europe, before the Romans conquered the Germanic people, and reformed their calendar and time systems (introducing, among other things, the week). Romans, on the other hand, transitioned from the Greek lunar calendars–which varied greatly from tribe and city-state to tribe and city-state. These Hellenic calendars usually began in Autumn and Winter, and interestingly, despite the lack of a uniform calendar system, most Greek people in the time of Homer and his Iliad were familiar with the general passage of time divided into 12 months. Naming systems were rather sporadic (all over the place), as well-some cultures decided to name their months, others simply enumerated them. All this chaos and indecision in the passage of the year clearly irritated someone-that someone was Julius Ceasar, one of the more prominent Roman emperors, when he founded the Julian calendar. In his honor, one of the months, Quintilis, was renamed Iulius–or, as we know it today, July. Finally, a few hundred years later, his was replaced by the modern-day Gregorian calendar. You see, some people back in 1582 noticed that Julius’ calendar was 0.002% off in making a pretty good measure of a solar year. That, clearly, was irritating as well. Thus, a change was made that resulted in the way leap years work –every four years, we add a day to February to make up for the remaining inconsistency in regards to a solar year, changing the amount of days in a year from 365.25 to 365.2425- and that, is how long a year is in most of the world today. 7. Lunisolar calendars is not used by _______.
A、Hebrews .
B、Hindus.
C、Islams.
D、Buddhists.
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