On January 27, in order to win the new pneumonia Resistance War(抗击新型肺炎战), the Ministry of Education issued(教育部公布)a notice on putting off the start time of school in spring 2020. It was said that school should not start before March. The exact start time of school will depend on situations and further notices.

However, many parents are very worried that putting off the start of school may influence children's studies. If they have such a long winter vacation, children will not learn any knowledge, read books or study at all. They may forget what they have learned before. Staying at home for a long time will make them keep eating, sleeping and playing, which seriously affect their physical and mental health.

In short, the close of school influences learning and develops bad habits, so how should we avoid these problems? Local education departments have also issued a notice, that is, to organize online teaching and create a network platform (平台), where necessary courses will be shown every day, and online teaching will be given by excellent teachers of the subject, and students can lean at home through computer or mobile network.

It should be said that such a method is very good. It can not only keep students indoors and not worry about the infection(感染))of the disease, but also make them study at home, improve their learning ability, and truly achieve "no suspension(暂停)of classes". Both the platform itself and the recorded lesson resources are more useful, and are welcomed by parents and teachers.

Of course, except for learning at home, it is also necessary to teach children about health knowledge, especially how to keep away from touching virus and other knowledge popularization(普及); at the same time, it is also necessary for children to do some physical exercises or some games, which is good for physical health at home.

1.According to the passage, the exact start time of school is _________.

A.on January 27 B.before March C.unsure D.in two months

2.Many parents worried about putting off the start time of school because__________.

A.children may be infected by virus

B.children may not like online learning

C.children may have a long holiday

D.children's study and health may be influenced

3.Except for learning at home, what is also necessary according to the writer?

A.Keeping away from health knowledge popularization.

B.Taking public classes by excellent teachers.

C.Teaching children about health knowledge.

D.Doing some physical exercises with friends.

4.The fourth paragraph mainly tells us _________.

A.the advantages of online teaching B.the importance of online teaching

C.the ways of online teaching D.the problems of online teaching

5.The best title for this passage is _________.

A.A New War with a New Chance B.A Special, Way to Learn at Home

C.A Way to Keep Healthy D.A Method to Avoid Virus

For ten weeks, in a great house on the island of St Thomas , John C. Lilly tried to teach a six-year-old dolphin to speak English. Margaret Howe, an experiment (试验) helper, would live day and night with Peter, a dolphin. And they would eat, bathe(洗澡), sleep and play together from Sunday to Friday, with only Saturdays off for Margaret. She lived her life in swimming clothes -- with a coat on colder evenings —and cut her hair short so that she could get on with Peter more easily.

After a few days, Peter was becoming more and more interested in winning her attentions. He threw a ball against her shower towel to get her to play. As time went by, he only wanted to play ball with her and not on his own.

The problem was that, just at the time Peter and Margaret began to get on well just as two best friends, the experiment ended and the lab was closed. After a few weeks, Margaret received the sad news that Peter had killed himself by refusing to breathe, and sinking to the bottom of his pool.

Dolphins may not speak English —but, just like humans, they know all about broken hearts.

1.Peter is the name of________

A.a doctor B.dolphin C.a scientist D.an experiment helper

2.Margaret worked days_____a week during the experiment .

A.four B.five C.six D.seven

3.To live with the dolphin, Margaret couldn't _______.

A.cut her hair short B.have a common life-like others

C.wear swimming c1othes D.eat, bathe and play together with him

4.The ending of the story was that _________ .

A.Margaret didn't leave the lab B.the lab was closed and the dolphin died

C.the dolphin could speak English at last D.Dr John C. Lilly was satisfied with the experiment

5.From this passage, we can learn that __________.

A.dolphins aren't worth studying B.dolphins can't be humans' good friends

C.dolphins can't communicate with humans D.dolphins may have feelings just like humans

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