Frank is not as respectful as his brother.

It took her an hour to prepare for the party. 

What a fast runner she is!

1. Frank is not as respectful as his brother.

2. It took her an hour to prepare for the party. 

3. What a fast runner she is!

0,004 km/h

Question 1: 109 seconds.

Question 2: 4 m/h.

Question 3: 200m/h.

Question 5: 30m.

1 faster than

2 more slowly 

3 harder than

4 faster

5 more slowly

6 worse 

7 more loudly

8 earlier

9 better

10 more carefully

11 more happily

12 more fluently

13 later

Tìm lỗi sai trong những câu sau:

1. The King was=> x decided to give the crown to his son.

2. The hare always boast=> boasts about how fast he could run.

3. Because of her kindness, the frog was changing=> changed into a handsome prince.

4. When I was ate=> eating snacks, someone knocked on the door.

5.The dragon flew=> was flying over the towers when he heard the princess cry for help

He runs very fast.

=>How is a fast runner!

How is a fast run

is a fast runner

1.This test is difficult.

➜What a difficult test !

2.It is a fine day.

➜How fine the day is !

3.It is raining hard.

➜How .hard the rain is !

4.You make awful mistakes.

➜What .an awful mistakes you make !

5.She is a very beautiful girl.

➜What. a beautiful girl !

6.He runs very fast.

➜How fastly he runs !

\(\left|x+1\right|và\left|x+2\right|\ge0\)

\(\Rightarrow\orbr{\begin{cases}\left(x+1\right)+\left(x+2\right)=3\\\left(x+1\right)+\left(x+2\right)=-3\end{cases}}\)

\(\orbr{\begin{cases}2x+3=3\\2x+3=-3\end{cases}}\)

\(\orbr{\begin{cases}2x=0\\2x=-6\end{cases}}\)

\(\orbr{\begin{cases}x=0\\x=-3\end{cases}}\)

\(\left|x+1\right|+\left|x+2\right|=3\)

Xét \(x+1\ge0;x+2\ge0\Leftrightarrow x\ge-1;x\ge-2\Rightarrow x\ge-1\) ta có : \(\hept{\begin{cases}\left|x+1\right|=x+1\\\left|x+2\right|=x+2\end{cases}}\)

\(\Rightarrow\left|x+1\right|+\left|x+2\right|=3\Leftrightarrow x+1+x+2=3\Leftrightarrow2x+3=3\Rightarrow x=0\)(TM)

Xét \(x+1\le0;x+2\ge0\Leftrightarrow-2\le x\le-1\) ta có : \(\hept{\begin{cases}\left|x+1\right|=-x-1\\\left|x+2\right|=x+2\end{cases}}\)

\(\Rightarrow\left|x+1\right|+\left|x+2\right|=3\Leftrightarrow-x-1+x+2=3\Leftrightarrow1=3\) (loại)

Xét \(x+1\le0;x+2\le0\Leftrightarrow x\le-1;x\le-2\Leftrightarrow x\le-2\) ta có : \(\hept{\begin{cases}\left|x+1\right|=-x-1\\\left|x+2\right|=-x-2\end{cases}}\)

\(\Rightarrow\left|x+1\right|+\left|x+2\right|=-x-1-x-2=-2x-3=3\Rightarrow x=-3\)(TM)

Vậy \(x=\left\{-3;0\right\}\)

2. The city is noisy.

3. Her mother cooks well.

4. They had a forgettable journey.

5. The train is crowded.
what a crowded train !
How a crowded train !

6. He is a rube man.
How a rube man !
What a rube man !

7. The weather is nice.
What a nice weather !
How a nice weather !

8. His brother swims well.
How a good swimmer!
What a good swimmer!

9. These dresses are colorful.
What  colorful dresses are!
How colorful dresses are!

10. The children are stubborn.
How  stubborn the children are !
WHat stubborn the children are !

2. The city is noisy.

-> What a noisy city!

-> How noisy the city is!

3. Her mother cooks well.

-> What a good cook!

-> How good her mother cooks!

4. They had a forgettable journey.

-> What a forgettable journey!

-> How forgettable journey they had!

5. The train is crowded.

-> What a crowded train!

-> How crowded the train is!

6. He is a rube man.

-> What a rube man!

-> How rube he is!

7. The weather is nice.

-> What nice weather!

-> How nice the weather is!

8. His brother swims well.

-> What a good swimmer!

-> How good his brother swims!

9. These dresses are colorful.

-> What colorful dresses!

-> How colorful these dresses are!

10. The children are stubborn.

-> What stubbom children!

-> How stubbom the children are!