Bài 3: Độ dài các cạnh góc vuông của một tam giác vuông tỉ lệ với 8 và 15, cạnh huyền dài 51cm. Tính độ dài hai cạnh góc vuông.

Bài 4: Cho tam giác ABC vuông tại A, đường cao AH, trên đó lấy điểm D. Trên tia đối của tia HA lấy một điểm E sao cho HE = AD. Đường thẳng vuông góc với AH tại D cắt AC tại F. Chứng minh rằng EB ^ EF.

Bài 5: Cho tam giác ABC có độ dài các cạnh bằng 3cm,4cm,5cm.Chứng minh rằng tam giác ABC vuông.

Bài 6: Cho tam giác ABC có độ dài các cạnh bằng 6cm,8cm,10cm.Chứng minh rằng tam giác ABC vuông.

Bài 7:Độ dài các cạnh góc vuông của một tam giác vuông tỉ lệ với 8 và 15, cạnh huyền dài 51cm. Tính độ dài hai cạnh góc vuông

VI- Complete the second sentence so that it has similar meaning to the first one.

1. The movie was very bad. I couldn’t see it.

 The movie was not …………………………………………………

2. “Shut the door but don’t lock it”, he said to us.

 He told ……………………………………………………………

3. The garage is going to repair our car next week. 

 We are going .......................................................................................

4. In spite of his intelligence, he doesn’t do well at school.

 Although ……………………………………………………………

5. You must see the headmaster.

 You’ve ……………………………………………………………

6.Remember to check your flight numbers.     

Don’t ....................................................................................................

7.It was such bad news that Helen burst into tears.

The news ...............................................................................................

VII- Use the suggested words and phrases to make a full sentence.

1. Those buses / not going / airport / neither / taxis.

................................................................................................................................

2. You / not / want / sell / house last year ?

............................................................................................................................

3. He / stop / smoke / save / money .

...........................................................................................................................

4. My brother / not drive / carefully / I.

.............................................................................................................................

5. It / difficult / prevent / people / park here.

..............................................................................................................................

V- Read the following passage, then answer questions :

It is five o’clock in the evening when Rene Wagner come home from work. She walks into the living room and looks at her three children. They are 14,13 and 9 years old. They are watching TV. The living room is a mess. There are dirty socks on the floor and cookies on the sofa. Games and toys are everywhere. Rene is angry, “This place is a mess” she tells her children, “I can’t work all day and then do housework all evening. I’m not going to do housework!”     Rene doesn’t do housework. She doesn’t clean or wash dishes. She doesn’t wash clothes, either. Every evening she sits on the sofa and watches

TV.

          After two weeks, every plate, fork and glass in the house is dirty. All the children’s clothes are dirty. Every garbage basket is full. The house is a mess.

          Then, one day Rene comes home from work and gets a big surprise. The kitchen is clean. The children clean the kitchen !

          The next day, the living room is clean, and the children are washing their clothes. Rene tells the children “OK, I’ll do the housework again. But you have to help me.”

          Now Rene and her three children do the housework together. Then they all sit on the sofa and watch TV!

1. When Rene came home from work, she found the house ……………. .

A. clean and dirty  B. dirty and tidy    C. dirty and untidy          D. clean but untidy

2. Rene told her children ………………….. .

A. to do the housework                      B. she couldn’t do housework

C. not to do housework                      D. she wouldn’t do housework

3. Two weeks later, the house was ……………… .

A. very clean                   B. a mess              C. tidy                   D. rather dirty

4. Some days later, the house was clean again because ……………………. .

A. she couldn’t let it that way            B. her children did housework.

C. her children didn’t do housework.  D. she did housework again.

5. Now Rene does housework again because …………………. .

A. her children help her.                     B. they can watch TV together.

C. her children wash their clothes.                D. her children don’t do it.

IV- Read the following passage and choose the best answer for each gap.

These days most people, especially young girls, like(1)…….slim. Our grandparent’s tastes were different(2)……ours but nowadays(3)……seems to enjoy(4)…….fat people. The only thing(5) ……is wrong with this is what a(6)…….said to me the other days: “I don’t mind (7)……..these foods if they will help me(8)………weight but why do they taste so awful ?” The reason(9)…….this is that the manufacturers have to include a lot of vitamins to satisfy the law, so the only sensible advice I could give my friend was “Eat normal food, but (10)………less.”

1.A. to looked        B. to look              C. they look          D. look

2.A. from              B. of                    C. as                     D. with

3.A. anymore        B. none                 C. everyone           D. no one

4.A. to look at       B. looking             C. looking at                   D. to look

5.A. it                             B. that                            C. what                 D. who

6.A.friend of mine           B. my friend                   C. friend of me      D. friend of my

7.A. to eat             B. eat                    C. eating               D. the eating

8.A. gain               B. put on               C. loose                 D. lose

9.A. of                  B. why                  C. for                    D. that

10.A. eat               B. to eat                C. eating               D. be eating

1. This coffee is too ......................... to drink.                                              heat

2. I can’t tell the …………….…… between the twins.                               differ

3. He drove ……………..…… and he had an accident.                              care

4. I feel so .......................... that I’m going to bed.                                      sleep

5. Why was his lecture so ............................ ?.                                   bore