题目内容

Differences between colds and flu

Both colds and influenza(flu)(流感) are caused by viruses and the two illnesses can have similar symptoms(症状). At first it can be difficult to tell the difference. In general, the symptoms of influenza are more serious and last longer than those of a cold.

The main difference between cold and flu symptoms is that flu more commonly includes fever: the fever can be 38℃ or higher and last for 3-5 days. The great tiredness caused by flu can last for weeks while cold symptoms are generally not serious and last for about 1 week. Also, runny nose is more common with cold than flu. Vomiting(呕吐) is another key difference: vomiting is not usually connected with the common cold but can be found in flu.

Although the differences above are generally true, it is impossible to know for sure if it is flu or cold. For example, it is possible to have flu without fever.

①

Antibiotics(抗生素) don’t work against a cold or flu because they attack bacteria(细菌) instead of rinses, You can treat yourself at home by

?getting plenty of rest and sleep (this means staying home from work or school)

?drinking plenty of fluids (especially water)

?and if you have a sore throat, eating soft foods that are easy to swallow.

See your doctor if you have cough and high fever (38℃ or more) that is not improving, trouble breathing, chest pain, or if you have other worries about your symptoms.

1.From Paragraph 1 and Paragraph 2, we know that ________.

A.at first it can be easy to tell the difference between colds and flu

B.compared with the symptoms of a cold, flu’s symptoms usually last longer

C.fever is more common with cold than flu

D.vomiting cannot be found in a common cold

2.Which of the following is suitable for ① ?

A.Treatment for colds and flu

B.Difference between bacteria and viruses

C.Stopping the increase of colds and flu

D.Advantages of staying at home

3.The writer’s main purpose of writing the passage is to ________.

A.ask us to act to stop the spread of flu and colds

B.warn us of the danger of having flu and colds

C.let us have a better understanding of flu and colds

D.teach us how to stop flu and colds

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Teach your child about safety.

When you teach safety rules to your little child, it will help if you provide clear reasons for the rules. Try to help your four-year-old child understand that these rules are not used to spoil his fun, but to keep him safe. The fairer your rules seem to your child, the more likely he is to follow them.

Try to avoid scaring them. The reason why you don’t want your child to climb up onto the top of the tree is not “You’ll fall off the tree and break your neck and die”. but “If you do fall off the tree, you’ll get hurt.” If you exaggerate possible dangers, your child will not believe that your rule is serious.

When your child doesn’t follow your safety rules, you need to make him see that unsafe behavior is dangerous. If your child runs out into the street, you should immediately pull him back, repeat your rules, explain your rules and warm him not to do it again.

If your child then repeats the unsafe behavior, you should let him know the connection between his action and the results. In the example above, you might make him come back right away. “I told you that you can’t run in the street. It’s not safe. If you can’t play outside safely, you can’t play outside.”

If your safety rules seem fair to your child, he will probably be ready to follow them and even accept them as his own rules. And they will gradually become his safety habits and part of his developing consciousness.

1.What does the underlined word “spoil” mean?

A.Treat. B.Stop. C.Connect. D.Refuse.

2.What should we say to a child if he climbs up onto the top of the tree?

A.You may die. B.You can’t play outside.

C.You may break your neck. D.You may fall off the tree and get hurt.

3.According to the passage, what should safety rules be?

A.Reasonable B.Safe C.Smart D.Helpful

4.Which of the following is TRUE?

A.Parents should set a good example.

B.Children are more likely to get hurt.

C.Parents shouldn’t exaggerate possible dangers.

D.Children are not allowed to play outside alone.

5.Who is this passage written for?

A.Writers. B.Children. C.Teachers. D.Parents.

—More than 20________people died of COVID-19 in the U.S.

—The number will keep increasing________the government doesn’t take any steps right now.

A.thousand; unless B.thousand; if C.thousands; if

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