"Don't be afraid of losing the key" PPT courseware

Description

"Don't be afraid of losing the key" PPT courseware

Part One: Information Treasure Bag

fingerprint

Human skin is composed of three parts: epidermis, dermis and subcutaneous tissue. Fingerprints are raised lines on the skin. Due to human genetic characteristics. Although everyone has fingerprints, they are all different. In addition to the different shapes, everyone's fingerprints also differ in the number and length of the patterns.

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Comfort, identification, silence

Doubtful and bright

Don’t be afraid of losing the key PPT, the second part: Word Paradise

Meaning: 1. to relate 2. to have an affiliation 3. to connect, to tie

Group word: coefficient series

Literal meaning: to hold with fingers bent together

Group words: shake hands, hold

Literal meaning: similar to a certain situation or thing

Group word: similar

Literal meaning: 1. To tell lies and deceive others. 2. To make people like by words or actions.

Group words: coax people, deceive

Meaning: onomatopoeia, describing certain sounds

Group word: squeak

word explanation

Identification: Distinguish (true or false, good or bad).

Shining: describes the object itself or becoming clean and shiny after cleaning.

Doubtful: Some believe, some doubt.

Silently: making no sound, describing doing things cautiously and unassumingly.

Don’t be afraid of losing the key PPT, the third part: text analysis

Import new lesson

What kind of key is never afraid of being lost?

Ask the students to read the text and think about it?

Fingerprint key.

What's unique about it?

There is no hole for the key. There is a glass ball in that position, shiny, like the eyes of a small cat.

What else is unique about it?

When he pressed his left thumb on the glass ball, the lock tongue retracted silently, and when he let go, the lock tongue stretched out again.

What's its name?

Computer identification lock, also called fingerprint lock.

What does "silently" mean?

There is no sound when unlocking.

Don’t be afraid of losing the key PPT, part 4: writing tips

This article is an explanatory piece of popular science knowledge. Its characteristics are: short; intellectual; literary; ideological. It often uses specific and small things to elucidate thought-provoking philosophical principles, inspiring and thought-provoking.

Expand and improve

The fingerprint lock is a smart lock that uses human fingerprints as the identification carrier and means. It is the perfect crystallization of computer information technology, electronic technology, mechanical technology and modern hardware technology. Fingerprint locks generally consist of electronic identification and control and mechanical linkage systems. The uniqueness and non-replicability of fingerprints determine that fingerprint locks are currently the safest among all locks.

spiritual enlightenment

Scientists are so amazing. After continuous research, they have invented such magical things and brought convenience to people's lives. We will also be little scientists in the future, and we will also benefit mankind.

Don’t be afraid of losing the key PPT, part 5: practice in class

Choice of words fill in the blank.

Shining, dubious, silent

1. Even though everyone says so, he still ( ).

2. He always ( ) serves everyone.

3. The eaves are covered with ( ) ice strips.

Keywords: free download of Chinese PPT courseware for the second volume of the second volume of the E-education edition, download of the Key to Not Being Lost PPT, .PPT format;

For more information about the PPT courseware "Don't be afraid of losing the key", please click the "Don't be afraid of losing the key" ppt tag.

"Don't be afraid of losing the key" PPT:

"The Key to Not Being Afraid of Losing" PPT Part One: Learning Objectives 1. Learn 10 words and be able to recognize 11 words. 2. Learn to read the text correctly, fluently and emotionally, and learn to read the text silently. 3. By reading the article, understand the characteristics of fingerprint locks and feel the wonder of modern technology..

File Info

Update Time: 2024-08-01

This template belongs to Chinese courseware E-education edition Chinese language for second grade, second volume industry PPT template

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