Cho tứ giác MNPQ biết M:N:P:Q=1:2:3:4

a)tính các góc của tứ giác

b)Chứng minh MN//PQ

c)Gọi I giao Điểm MQ và NP.Tính số đo các góc của tam giác IQP

I.Fill in each numberred blank with one suitable word

(1)....................the World Wide Web,computer users can find many medical facts (2)..............belief.Their availability can improve world health:people may change(3).............attitudes about health care when they get information in clear language(4).................their own search.Then they can make better medical decision.(5)............,the information (6).........................the Internet may not always be accurate or helpful to all individuals.There may even be fraudulent claims(7)............product to increase sales.Is it realistic(8)....................expect real solutions to difficults health problems(9) a computer?May be it is;May be it is not.

The river was rough and they did not dare to swim across it

=>The river was so..............................................................

1. He didn't come because it rained He didn't come because of the rain.

2.we cancelled our flight because the weather was bad. => we cancelled our flight because of the bad weather.

Part 3: Read the text below and think of the word which best fits each space. Use only ONE word in each space. (15 points)
A POP STAR
John Lennon was (0)born in Liverpool in 1940. He was always (1).................................on music and played in a pop group (2) ........................................ school and Art college .
John (3).................................. married to Cynthia in 1962 and they had a son (4)............................... name was Julian. At that time, John was a member of a group (5)................................“ The Beatles” . Many beautiful songs (6) .................................. written by John and wherever the group went, crowds of fans gathered to see them . They (7).................................... scream and faint when “ The Beatles” played and lots of people have their hair cut in a Beatles style. Soon, everyone had heard (8)..................................... “The Beatles” and John was (9).............................. richer than he had ever thought.
Having achieved world-wide success, John started to make records (10)................................. his own after 1968 , and it was in the same year when (11).................................... marriage to Cynthia came to an end. He had met Yoko Ono (12).......................... he married the following year. John lost weight and grew his hair long , as can (13) ................................ seen on the covers of the records that he made with Yoko. He set up home in the United States and had a son called Sean.
Many people considered John Lennon to be (14) ............................... most talented of all “The Beatles”. He sang about peace and love and so when he was murdered by one of his fans, outside his New York apartment , the whole world (15).................................... shocked . More than 50,000 fans turned up to a ceremony in his memory. He was only forty when he died.