题目内容

If you are lucky enough, you may find the hummingbird (蜂鸟), the smallest bird of the animal world, in a south American forest.

Though the hummingbird is no bigger than a bee and weighs only 2 to 3 grams, it can fly as fast as 50 meters in a second. It can fly forwards (向前) as most birds do, and it can fly backwards as well. The strangest thing about it, however, is that it can stay still in the air, just like a helicopter.

Whenever a hummingbird needs food, it will fly slowly towards a flower. It won’t stand on the flower, as bees do, but just hangs to the flower and then begins to sunk (吸吮) the honey from inside the flower with its needle-like beak.

The hummingbird is very particular in building its nest (巢). It takes great trouble to choose materials. It likes soft ones better than hard ones. Its eggs are so small that a common match box can hold as many as one hundred of them.

1.Most of the hummingbirds live in a(n) __________ forest.

A. north American B. south Asian

C. north Asian D. south American

2.A hummingbird can fly as fast as _______ meters in a second.

A. fifty B. five hundred

C. fifteen D. one hundred and fifty

3.The underlined word “helicopter” most probably means _______.

A.轮船 B. 公共汽车 C. 火车 D. 直升飞机

4.When a hummingbird builds a nest, it likes better.

A. soft materials B. hard materials

C. an material D. both

5.Which of the sentences is NOT true?

A. A hummingbird can even fly backwards.

B. You cannot see the wings of a hummingbird move.

C. A hummingbird will fly quickly towards a flower when it’s hungry.

D. A common match box can hold as many as one hundred hummingbird eggs.

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It’s important to teach children to create strong passwords(密码),and to remind them that passwords mustn’t be shared with anyone, not even best friends.

A strong password is a word that is as difficult as possible to guess because it looks like a set of random characters (随机的字符).

It’s wise to use the whole keyboard to mix a password with letters, numbers and symbols.A password of 14 characters or more may be much safer.

The following tips will tell you how to create a strong and safe password:

Tip 1: Think of a sentence that is easy to remember, but difficult to guess.For example: “ My son Peter is five years old and my daughter Tina is one year old.” The whole sentence is so long that it can’t be a password, so what you can do is to use the first letter of each word to make a new password that seems to be meaningless.That is “mspifyoamdtioyo”.

Tip 2: Make the password more difficult to guess by mixing big and small letters.One way to do this is to use big and small letters one after another.In this way this new password will be “MsPiFyOaMdTiOyO”.

Tip 3: Still using the sentence above, you can also add numers that are meaningful to you.As a result, the new password will be “Mspi5yOaMdTi1yO”.

Tip 4: Add punctuation(标点符号)and symbols to make the password much stronger.You may use symbols, numbers and punctuation to replace some letters which look similar.For example: “MsPi3y0@MdTi!y0”.(o=0, a=@, 1=!)

任务型阅读。根据材料内容,按要求完成下列各题。(每小题2分,共10分)

1.A strong password is ______ difficult ______ guess because all the characters are at random.(改写短文中划线句子)

2.Your sentence: ______________________________________________________________________

(写出一句你比较好记的句子,至少有14词,不得抄写短文中原句)

3.Your password:____________________________________________________________________

(按照Tip 1的说明,用你上面所写的句子创建一个密码)

4.Your new password:_________________________________________________________________

(按照Tip 2的说明,改编上面你已创建的密码)

5."mysjwboafi1990 ___________________________________________________________________

(根据短文中所给的四个建议,将题中所给密码改写成更安全的密码)。

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