Cho hình thang ABCD có ∠A = ∠D = 90◦ CD = 2AD = 2AB, cho AC = 2√5.
a) Tính ∠ACD, AB, AD, CD.
b) Vẽ DH⊥AC. Tính DH.

Quite a few did not have high school degrees and __________ courses to qualify for that degree.

A elected

B illustrated

C terminated

D condemned

PART 5. SENTENCE TRANSFORMATION Complete the second sentence so that it means
the same as the first one, using the word given. You must use between three and eight words,
including the word given. (Contractions count as two words.)

1 ‘You’ve passed the exam? Oh, well done!’ my aunt said to me. ON
My aunt______________________________ the exam.
2 ‘I’m sorry I forgot to set the security alarm,’ said the receptionist. FOR
The receptionist______________________________ set the security alarm.
3 ‘Why don’t you postpone your trip till the autumn, Jim?’ suggested Sarah. OFF
Sarah suggested______________________________ till the autumn.
4 ‘Don’t forget to enclose a cheque, will you?’ the clerk said to me. IN
The clerk reminded ______________________________ the envelope.
5 ‘It’s a good idea to rehearse your speech in front of a mirror,’ George told me. RUN
George advised _______________________ in front of a mirror.

For each question below, complete the second sentence so that it means almost the same as the
sentence before it. Use the given word in the capital, which MUST NOT be changed. You should
write BETWEEN 3 AND 5 WORDS ONLY:

5. I’ve met all of my father’s friends and I don’t like any of them. (of)
I’ve met all of my father’s friends, ____________________________________________ I like.

Dr. Williams is a cardiologist and has his surgery on the second floor. (whose)
Dr. Williams,__________________________________________ second floor, is a cardiologist.

For each question below, complete the second sentence so that it means almost the same as the
sentence before it. Use the given word in the capital, which MUST NOT be changed. You should
write BETWEEN 3 AND 5 WORDS ONLY:

That house will be the head office. It is being built. (which)
That house, _____________________________________________________be the head office.

This exam is very important. It categorizes the level of each student. (the)
This exam,________________________________________________student, is very important.

Internet is harmful for children's health. This is proved by scientists. (which)
Internet is harmful______________________________________________ proved by scientists.

Choose the sentence(s) that is/are grammatically correct and express(es) the same idea as the
first two sentences. You may choose MORE THAN ONE option:
1. We broke that computer. It belonged to my father.
A. We broke the computer belonged to my father.
B. We broke the computer which belonged to my father.
C. We broke the computer belonging to my father.
D. The computer that we broke it belonged to my father.
E. The computer which we broke belonged to my father.
F. That computer, which was broken by us, belonged to my father.
G. We broke the computer that belonged to my father.
2. The book belongs to me. You are looking at it just now.
A. The book you are looking at just now belongs to me.
B. The book which you are looking at it just now belongs to me.
C. Now you are looking at the book that belongs to me.
D. Now you are looking at the book belonging to me.
E. The book that belongs to me you are looking at just now.
F. The book that you are looking at just now belonging to me.
3. The meals were delicious. David cooked them.
A. The meals David cooked were delicious.
B. The meals which David cooked was delicious.
C. The meals cooked by David were delicious.
D. The meals cooking by David were delicious.
E. The meals which were cooked by David was delicious.
F. The meals David cooking were delicious.
G. The meals were delicious was cooked by David.
H. The meals being delicious cooked by David.
I. The meals being delicious were cooked by David.

3

4. The people here are very nice. I work with them.
A. The people I work with are very nice.
B. The people with whom I work are very nice.
C. The people whom I work are very nice.
D. The people with who I work are very nice.
E. The people with those I work are very nice.
F. I work with the people whom are very nice.
G. I work with the people that are very nice.
H. I work with the people being very nice.
I. The people I working with are very nice.
5. Nick is going to stay in a cheap motel. Its rooms are very small.
A. Nick is going to stay in a cheap motel with rooms are very small.
B. Nick is going to stay in a cheap motel which rooms are very small.
C. Nick is going to stay in a cheap motel whose rooms are very small.
D. Nick is going to stay in a cheap motel with very small rooms.
E. Nick is going to stay in a cheap motel which has very small rooms.
F. Nick is going to stay in a motel which is cheap and has very small rooms.
G. The cheap motel Nick is going to stay in has very small rooms.
H. The cheap motel where Nick is going to stay in has very small rooms.
I. The cheap motel where Nick is going to stay whose rooms are very small.
J. The cheap motel which Nick is going to stay in has very small rooms.
K. The cheap motel where Nick is going to stay has very small rooms.
L. The cheap motel that Nick is going to stay has very small rooms.
M. The cheap motel in where Nick is going to stay has very small rooms.
6. Some people start to speak ill about the man. His daughter died last week.
A. Some people start to speak ill about the man whose daughter died last week.
B. Some people start to speak ill about the man who had his daughter died last week.
C. The man whose daughter died last week some people start to speak ill about.
D. The man whose daughter died last week starts to speak ill about some people.
E. The man whose daughter died last week starts to be spoken ill about by some people.

He likes to live life _______. No stunt was too dangerous, no challenge too awesome. 

A. close to the canyon    B. close to the cliff    C. close to the edge    D. close to the sea

He’ll be _________ for trouble if he doesn’t get his car serviced soon. 

A. begging     B. sending    C. asking    D. requesting

Cho tam giác ABC, vẽ đường cao AH (H thuộc cạnh BC). Cho biết ∠ABC = 45◦
, BH =20cm, HC = 21cm. Tính AC, AB.
(Lưu ý: 4ABH vuông tại H có ∠ABC = 45◦là tam giác gì?)

Cho tam giác MNP vuông tại M có đường cao MK.
Tính cos ∠MP N, tan ∠MNP biết MK = 2√3 và PK = 3