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By determining the time it takes for the echoes to return to the radar set, a trained technician can determine the distance between the radar set and other objects.. The word “radar”, in[r]
(1)ĐỀ THI HỌC SINH GIỎI LỚP NĂM HỌC 2018 - 2019
MÔN TIẾNG ANH
I Choose the word that has the underlined (letters) pronounced differently (5 pts)
1 A geology B psychology C classify D photography
2 A death B stream C ready D leather
3 A children B child C mild D wild
4 A canceled B earned C startled D laughed
5 A helped B booked C hoped D waited
II Choose the word whose main stress is placed differently from the others (5 pts)
6 A difference B suburban C internet D character
7 A beautiful B effective C favorite D popular
8 A attraction B government C borrowing D visit
9 A difficulty B individual C population D unemployment 10 A biology B redundancy C interviewer D comparative III Each of the numbered lines in the passage contains a mistake, find and correct it (20 pts)
IV Put the words in the correct form (20 pts)
21 People in my country are very warm and (friend) _
22 An (orphan) _ is a home for children whose parents are dead 23 L.A Hill is a (humor) _ writer
(2)26 The N12 hurricane in Central Vietnam caused the (break) _ of epidemics 27 Many people are made (penny) _ after the mishap of the typhoon
28 My parents enjoy the (peaceful) _ of the countryside
29 The (chaos) _ crowds of flood-stricken victims are striving for survival 30 His bad behaviors are said to be resulted from his childhood’s (bring) _ V Fill in each of the numbered blanks with ONE suitable word (10 pts)
I began my teaching career nearly ten years (31) _ I spent six years (32) _ in a remote village (33) _ the villagers were very poor and the living standard was low Sometimes I was very disappointed because of bad (34) _ condition and low pay I was really homesick However, at (35) _ time, with my youth enthusiasm, I (36) _ my best to devote myself to (37) _ noblest career that was "teaching" I loved my poor little students They were living in (38) _ but they could not suffer from empty mind
I am proud of myself to be a teacher, a hard working "boatman" taking my students (39) _ the "destination" of (40) _
VI Fill in the blanks with a suitable preposition (10 pts) 41 Snow is falling all the country 42 Will you pick me after the party?
43 The secretary took a message her boss 44 He emigrated Canada during 1870s
45 We all agreed their request for a full investigation 46 The post office is not far my house
47 Let’s meet at the City Theater o’clock because the play is on at p.m 48 She was born May 16th, 2001 in Nha Trang.
49 He worked deaf-mutes at Boston University 50 Mrs Lien said you could reach her 603 312
VII Choose from A, B, C, or D the one that best answers each of the questions (20 pts)
(3)how fast nearby planes are moving The basic principle of radar is exemplified by what happens when one shouts in a cave The echo of the sounds against the walls helps a person determine the size of the cave With radar, however, the waves are radio waves instead of sound waves Radio waves travel at the speed of light, about 300,000 kilometers in one second A radar set sends out a short burst of radio waves Then it receives the echoes produced when the waves bounce off objects By determining the time it takes for the echoes to return to the radar set, a trained technician can determine the distance between the radar set and other objects The word “radar”, in fact, gets its name from the term “radio detection and ranging” “Ranging” is the term for detection of the distance between an object and the radar set Besides being of critical importance to pilots, radar is essential for air traffic control, tracking ships at sea, and for tracking weather systems and storms
51 What is the main topic of this passage? A The nature of radar
B History of radar C Alternatives to radar D Types of ranging
52 According to the passage, what can radar detect besides location of objects? A Shape
B Size C Speed D Weight
53 The word “exemplified” in the passage can be replaced by _ A “specified”
B “resembled” C “illustrated” D “justified”
54 The word “shouts” in the passage most closely means _ A “exclaims”
(4)D “whispers”
55 Which of the following words best describes the tone of this passage? A argumentative
B explanatory C humorous D imaginative
56 According to the passage, the distance between a radar set and an object can be determined by _
A the time it takes for a burst of radio waves to produce echoes when the waves bounce off the object
B the term “ranging” used for detection of the distance between an object and the radar set
C the time it takes for the radio waves to produce echoes and bounce off the object D the time it takes for the echoes produced by the radio waves to return to the radar set
57 Which type of waves does radar use? A tidal
B sound C heat D radio
58 The word “tracking” in the passage most closely means _ A sending
B searching for C ranging D repairing
59 Which of the following would most likely be the topic of the next paragraph? A A history of flying
B Other uses of radar
(5)60 What might be inferred about radar? A It takes the place of a radio
B It has improved navigational safety
C It was developed from a study of sound waves D It gave birth to the invention of the airplane
VIII Finish the second sentence so that it means the same as the first one (10 pts)
61 My mother was the most warm-hearted person I’ve ever known
→ I’ve 62 As I get older, I want to travel less
→ The older _ 63 We couldn’t find George anywhere
→ George was _ 64 It was a bit difficult to get into work this morning
→ Getting 65 I last saw him in 1998
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