Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: There are some special traditions in Hawaii . People there are very friendly and always welcome visitors . They give visitors a lei , a long necklace of beautiful fresh flowers . Men wear bright flowered shirts , and women often wear long flowered dresses . In Hawaii you may find some traditional Chinese , Japanese and Philippine holidays . Of course , many holidays are from the United States . People call Hawaii the Aloha State . Aloha means both "hello" and "good--bye". It also means "I love you " . Usually when people from different countries , races or traditions lives together , there are serious problems . But in Hawaii there are few problems , people have learned to live together in peace . Hawaiians earn most of their money from tourists , most of whom come from the mainland and from Japan . The families of the first people who came from the U.S. mainland own the important banks and companies . Japanese are also starting business and buying more and more land . Options: A America B Philippines C China and Japan D All the above Answer: D All the above Question:
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The answer is:
The holiday in Hawwaii come from _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: How do you study each day? You may answer it in one second: have classes at school, take notes and do homework. Feeling a little bored? There are other ways that can make learning interesting and varied. It's called digital learning. Digital learning is a way to help students learn by using the Internet. There are three important kinds of digital learning. Apps are computer software applications . People can download them on their mobiles. The other two kinds are social networking services, including weibo and WeChat and websites. Every one of them is like your teacher. They help you _ what you learn at school. Compared with traditional learning ways, digital learning has its advantages. Digital learning is also varied. It covers almost every school subject. More importantly, it always offers students the newest resources to learn from. Digital learning is also personalized. You can choose what you like to learn. If you don't master what you have learned at school, you can learn again through digital ways. However, digital learning also has disadvantages. When you use digital ways to learn, you've got little chance of talking with teachers and classmates. As digital learning uses computers or smartphones, watching the screen too long may be bad for your eyes. It is better to take a rest every 20 minutes. Options: A You can't communicate with your classmates or teachers. B You have to use both computers and smartphones. C You can't decide what you want to learn by yourself. D It's impossible to learn from the newest resources. Answer: A You can't communicate with your classmates or teachers. Question:
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The answer is:
What is the problem of digital learning?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: National parks are large of areas of public land . They give a safe home for local plants and animal . They help keep the air and water clean . They also give us the best trips . Today ,there are nearly 7,000 national parks around the world . Forbes has listed 12 of the most beautiful ones in the world that will surprise you with their amazing landscape ,geographic wonders and colorful plants and animals . The Grand Canyon National Park of the US is one of the Seven Natural Wonders of the World . It is best known for its size and depth . It is 446 kilometers long ,up to 29 kilometers wide ,and 1. 6 kilometers deep . The _ of the canyon makes people think big . Every year ,about 5million people visit here . Taking a tour in the South Rim offers vistors the park's full views,while the North Rim shows beautiful wild flowers . If you love animals ,you'll like the Serrengeti Natinoal Park in Tanzania . The "Big Five "live here . They are the lion . African elephant ,African leopard ,black rhinoce and African buffalo . The name "Big Five "came from the five animals that were the hardest to catch . Now they are what people most want to see in the wild . If you visit the park ,you should never miss the migration of over 1. 5million wildebeests and 250,000 zebras every year. This is the most famous site of the park . Options: A Taking a tour in the Grand Canyon B Travelling to the Serengeti National Park C Seven National Wonders of the World D Stepping into the wonders of the wildlife Answer: D Stepping into the wonders of the wildlife Question:
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The answer is:
The best title for the passage may be " _ ".