Which is the closest in meaning to the phrase "social isolation" in paragraph 3?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 18 to 24 

   Online social media have gained amazing worldwide growth and popularity. Although with time a generations have come to accept the changes social networking including Twitter, Facebook or Instagram has brought about, teenagers and young adults are the most frequent users of these sites. It has been reported that these sites are affecting the lives of the youth greatly. Social media sites have provided a platform whereby the youth can create groups and pages based on their common discipline and end up building connections and opportunities for their respective careers by updating various topics to discuss. Youth who have been interviewed they say that social media has become their lifestyle and it makes their lives easier and efficient. 

   Social network sites seem to bring people together and connected, but may create social isolation. As the youth tend to spend many hours on these sites, they rarely have face-to-face interaction. According to various studies, scientists' evaluation determined that social isolation can lead to a host of emotional, psychological, physical and mental problems which include anxiety, depression and somatic complaints among many others. Other negative effects of social networking various people suggested included encouraging poor spelling and grammar, allowing spread of misinformation that is perceived as fact. decreasing productivity. The sites also provide a perfect platform for cyber bullying and increase risks of identity theft, whose personal information are asked to add. Social networking clearly portrays both positive and negative effects on the youth. It is decision of an individual to make whether to continue using the sites or not 

How popular is online social media? 

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 35 to 39 

   Global sea level has been rising over the past century, and the rate has increased in recent decades. In 2014, global sea level was 2.6 inches above the 1993 average - the highest annual average in the satellite record (1993- present). Sea level continues to rise at a rate of about one eighth of an inch per year. Higher sea levels mean that deadly and destructive storm surges push farther inland than they once did, which also means more frequent nuisance flooding. Disruptive and expensive, nuisance flooding is estimated to be from 300 percent to 900 percent more frequent within U.S. coastal communities than it was just 50 years ago. 

   The two major causes of global sea level rise are thermal expansion caused by warming of the ocean since water expands as it warms, and increased melting of land-based ice, such as glaciers and ice sheets. The oceans are absorbing more than 90 percent of the increased atmospheric heat associated with emissions from human activity. 

   With continued ocean and atmospheric warming, sea levels will likely rise for many centuries at rates higher than that of the current century. In the United States, almost 40 percent of the population lives in relatively high population- density coastal areas, where sea level plays a role in flooding, shoreline erosion, and hazards from storms. Globally, eight of the world's 10 largest cities are near a coast, according to the U.N. Atlas of the Oceans.

Which of the following could be the main idea of the passage? 

Since the renovation policy launched in 1986, Ho Chi Minh City, Vietnam, ______ the fast urbanization process. 

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs to be corrected on each of the following questions. 

Yesterday afternoon, my father returns home late after a long tiring day at work.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 

He often has good relationship with his co-worker. 

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 

It is hard to maintain their cultural identity if teenagers migrate to another country at their young.

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. 

Ann and Mary are talking about the use of mobile phones in class. 

- Ann: "In my opinion, students should not be allowed to use mobile phones in class."

- Mary:" ______________This will distract them from studying." 

Mark the letter A, B, C, or Don your answer sheet to indicate the sentence that is closest in meaning to the sentence given in each of the following questions. 

It is essential for students to go to school on time. 

I haven't visited my hometown for a few years. 

Mark the letter A, B, C, or Don your answer sheet to indicate the correct answer to each of the following questions. 

He fell down when he _____________ towards the market. 

What is the main idea of this article? 

Which of the following statements is TRUE according to the last paragraph?

My students are very hard working and they always finish her homework before going to school

Until recently, mass media forms were classified __________ six categories, each of which has its own characteristic content types, creative artists and business models.