Title Unit 1- Test 2( key).doc ✅

Unit 1- Test 2 Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlinedpart differs from the other three in pronunciation in each of the following questions. Question 1: A. charter B. chance C. charity D. brochure Question 2: A. nuclear B. disappear C. beach D. clear Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from theother three in the position of primary stress in each of the following questions. Question 3: A. major B. careless C. against D. royal Question 4: A. interact B. entertain C. recommend D. deliver Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Question 5: There isn’t anyone there, ________? A. isn’t it B. was there C. is there D. didn’t it Question 6: When he went home, his mother ________ dinner, so he took off his coat to help her. A. is cooking B. was cooking C. cooked D. cooks Question 7: _______ an employee gets, the more experienced he becomes A. The oldest B. Older C. The older D. Older and older Question 8: Tom and Ken admitted________ to submit the assignments the day before. A. to forget B. forgetting C. forget D. forgot Question 9: He was off  school  for a while and is  finding  it hard to _____ with his classmates. A. went through B. catch  up C. get on D. put up Read the following advertisement/school announcement and mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 10 to 15. �� Explore Innovation at IPITEx 2024! Are you over 18?  Join the Global Celebration of Ingenuity on Thailand Inventors' Day  On behalf of the National Research Council of Thailand (NRCT), It is a great pleasure to invite your organization and your network agencies to submit the invention and innovation (10) ________  IPITEx 2024.  When you participate, you can :  ● Connect with a diverse network of innovators. ● Showcase your inventions on an international stage. ● Foster (11) ___________collaboration between Thai and international inventors/organizations. ● Contribute to the advancement of research, invention, and innovation. Mark your calendar for February 2 - 6, and be part of the (12) ________ ! We eagerly anticipate your participation and contribution to the IPITEx 2024.  �� Join us in shaping the future! #IPITEx2024 #InnovationUnleashed #ThailandInventorsDay Question 10: A. in B. on C. at D. for Question 11: A. a                  B. an                         C. the         D.   (no article) Question 12: A. excitement B. exciting  C. excited D. excitation  (Adapted from https://www.ifia.com/ipitex-2024/ )  ANNOUNCEMENT OF SCHOOL INVENTION WORKSHOP. The School LEMESON-MIT would like to announce: • All students from High school and Community college (13) ___ to be present and showcase their inventions on June 12-14,2024. • You’ll hear from expert speakers, educators, and colleagues about activities and techniques that help diverse student populations develop confidence in their ability to (14) ____ in STEM. • You will participate in small group workshops to develop skills tailored to your interests.  Meet and work with thought leaders in education as well as our Invention Education Fellows educators who have extensive experience incorporating invention education into the classroom. Click here to meet the Fellows (15) ____ you’re interested in this Workshop. Question 13: A. are encouraged B. be encouraged C. encouraged D. have encouraged Question 14: A. take B. engage C. improve D. update Question 15: A. should B. and C. were D. if (Adapted from https://lemelson.mit.edu )


C. the steam engine D. the internal combustion engine Question 33: The words "These" in the passage refers to _______. A. inventors B. internal combustion engines C. automobiles D. many wonderful inventions Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 34 to 40. Each advance in microscopic technique has provided scientists with new perspective, on the function of living organisms and the nature of matter itself. The invention of the visible-light microscope late in the sixteenth century introduced a previously unknown realm of single-celled plants and animals. In the twentieth century, electron microscopes have provided direct views of viruses and minuscule surface structures. Now another type of microscope, one that utilizes X rays rather than light or electrons, offers a different way of examining tiny details; it should extend human perception still farther into the natural world. The dream of building an X-ray microscope dates to 1895; its development, however, was virtually hafted in the 1940's because the development of the electron microscope was progressing rapidly. During the 1940's electron microscopes routinely achieved resolution better than that possible with a visible-light microscope, while the performance of X-ray microscopes resisted improvement. In recent years, however, interest in X-ray microscopes has revived, largely because of advances such as the development of new sources of X-ray illumination. As a result, the brightness available today is millions of times that of X-ray tubes, which, for most of the century, were the only available sources of soft X-rays. The new X-ray microscopes considerably improve on the resolution provided by optical microscopes. They can also be used to map the distribution of certain chemical elements. Some can form pictures in extremely short times; others hold the promise of special capabilities such as three-dimensional imaging. Unlike conventional electron microscopy, X-ray microscopy enables specimens to be kept in air and in water, which means that biological samples can be studied under conditions similar to their natural state. The illumination used, so-called soft X rays in the wavelength range of twenty to forty angstroms (an angstrom is one ten-billionth of a meter), is also sufficiently penetrating to image intact biological cells in many cases. Because of the wavelength of the X rays used, soft X-ray microscopes will never match the highest resolution possible with electron microscopes. Rather, their special properties will make possible investigations that will complement those performed with light- and electron-based instruments. Question 34: What does the passage mainly discuss? A. The detail seen through a microscope B. Sources of illumination for microscope C. A new kind of microscope D. Outdated microscopic techniques Question 35: The word "minuscule" in the first paragraph is opposite in meaning to ______. A. circular B. dangerous C. complex D. enormous Question 36: The word "enables" in paragraph 3 is closest in meaning to ______. A. constitutes B. specifies C. expands D. allows Question 37: Why did it take so long to develop the X-ray microscope? A. Funds for research were insufficient. B. The source of illumination was not bright enough until recently C. Materials used to manufacture X-ray tubes were difficult to obtain. D. X-ray microscopes were too complicated to operate. Question 38: The word "it" in paragraph 1 refers to ______. A. a type of microscope B. human perception C. the natural world D. light Question 39: According to the passage, the invention of the visible-light microscope allowed scientists to ________. A. see viruses directly B. develop the electron microscope later on C. understand more about the distribution of the chemical elements D. discover single-celled plants and animals they had never seen before Question 40: Based on the information in the passage, what can be inferred about X-ray microscopes in the future? A. They will probably replace electron microscopes altogether. B. They will eventually be much cheaper to produce than they are now. C. They will provide information not available from other kinds of microscopes. D. They will eventually chance the illumination range that they now use. The End