Find the meaning of the bolded words:

  1. Two waves interfered with each other to create an antinode
  2. We actually transferred charge from one object to another by conduction
  3. The water begins to boil as it cools itself by transferring heat to the air by convection
  4. The diffraction of a wave through a single opening produces a semicircular wave pattern. 
  5. At any given temperature, a solid will have lower entropy than a gas, because individual molecules in the gaseous state are moving randomly, while individual molecules in a solid are constrained in place. 
  6. No image is produced when the candle is placed at the focal length of the lens. 
  7. The jar’s inertia causes it to stay at rest as the paper is pulled out from under it. 
  8. An ultraviolet photon has twice the energy of a red photon.

Fill the gaps in the texts:

Plants are multicellular organisms and they have tissue systems that are made of various cell types that carry out specific functions. There are two types of plant tissue systems: _____ and _____ tissue. _____ tissue cells are either undifferentiated or incompletely differentiated, and they continue to divide so the plant can grow. _____ tissue consists of plant cells that have specific roles and are not dividing actively. Permanent tissue can be divided into: _____,_____ and _____ tissue. _____ tissue covers the plant and protects it from mechanical injuries, sudden temperature changes, strong light, parasites, and loss of water. _____ tissue transports water, minerals, and sugars to different parts of the plant. It is made of two specialized tissues: _____ and _____. _____ tissue transports water and nutrients from the roots to different parts of the plant. _____ tissue transports organic compounds from the site of photosynthesis to other parts of the plant. _____ tissue serves as a site for photosynthesis, provides a supporting matrix for the vascular tissue, and helps to store water and sugars.

There were people who couldn't live without slavery, and others who couldn't live____ slavery, but most people just didn't care. The pro-slavery and anti-slavery groups could not make an _____ where both sides would be satisfied. The slave system was at severe risk unless the laws of the nation_______ ownership of slaves no matter where the slave was at the moment, otherwise they would just cross into free territory and be free. New laws_____ escaped slaves to be returned to their owners, even if the slave was in an area where most of the people_____ slavery, like Chicago, which had riots when the law was enforced. The new president Lincoln was for anti-slavery and pro-slavery groups thought that he would not¬¬¬¬_____ the laws, so most of the states where slavery was legal decided to declare independence from the rest of the country.  When Lincoln tried to resupply the fort in Fort Sumter, South Carolina, troops loyal to South Carolina___ on the fort. That action set public opinion in New York City, which profited from the primary slavery crop cotton, to drop its support for the independence states and there was just enough support to send more______ to the South to bring them back into the union. The Union should have won the war easily because they had more men and resources, but they had___¬_ commanders until Lincoln picked Ulysses S. Grant, who was right man for the job. In the meantime, more and____ people from the North found out about_____ and became disgusted by slavery. Grant and the rest of the Union commanders chased the remnants of the Confederate army all over the South____ they surrendered.

From year  _ _   year scientists were   _ _ ming to new insights. In 1543, Nicolaus Copernicus created a mo_ _ _  of a heliocentric solar sys_ _ _ . Heliocentrism is the astronomical model in which the Earth _ _ _ planets revo_ _ _  around the Sun. 57 years after, Hans Lippershey invented the telescope. Th_ _  invention helps to observe distant objects _ _  their emission, absorption, or reflection of electromagnetic radiation. Galileo Galilei stood trial for scientific observation, and Isaac Newton articulated the   _ _ _ ory of gravity.  In the eighteenth century, more precisely in 1774,  Joseph Priestly discovered oxy_ _ _ , while in 1781 William Herschel  _ _ _ covered Uranus.

  • She hadn’t eaten all day, and by the time she got home she was ______. a. blighted b. confutative c. ravenous d. ostentatious e. blissful 2. The movie offended many of the parents of its younger viewers by including unnecessary ______ in the dialogue. a. vulgarity b. verbosity c. vocalizations d. garishness e. tonality Chapter 1 3. His neighbors found his ______ manner bossy and irritating, and they stopped inviting him to backyard barbeques. a. insentient b. magisterial c. reparatory d. restorative e. modest 4. Steven is always ______ about showing up for work because he feels that tardiness is a sign of irresponsibility. a. legible b. tolerable c. punctual d. literal e. belligerent 5. Candace would ______ her little sister into an argument by teasing her and calling her names. a. advocate b. provoke c. perforate d. lamente e. expunge 6. The dress Ariel wore ______ with small, glassy beads, creating a shimmering effect. a. titillated b. reiterated c. scintillated d. enthralled e. striated 7. Being able to afford this luxury car will ______ getting a better[1]paying job. a. maximize b. recombinant c. reiterate d. necessitate e. reciprocate 2 501 Sentence Completion Questions 3 8. Levina unknowingly ______ the thief by holding open the elevator doors and ensuring his escape. a. coerced b. proclaimed c. abetted d. sanctioned e. solicited 9. Shakespeare, a(n) ______ writer, entertained audiences by writing many tragic and comic plays. a. numeric b. obstinate c. dutiful d. prolific e. generic 10. I had the ______ experience of sitting next to an over-talkative passenger on my flight home from Brussels. a. satisfactory b. commendable c. galling d. acceptable e. acute 11. Prince Phillip had to choose: marry the woman he loved and ______ his right to the throne, or marry Lady Fiona and inherit the crown. a. reprimand b. upbraid c. abdicate d. winnow e. extol 12. If you will not do your work of your own ______, I have no choice but to penalize you if it is not done on time. a. predilection b. coercion c. excursion d. volition e. infusion 501 Sentence Completion Questions 13. After sitting in the sink for several days, the dirty, food-encrusted dishes became ______. a. malodorous b. prevalent c. imposing d. perforated e. emphatic 14. Giulia soon discovered the source of the ______ smell in the room: a week-old tuna sandwich that one of the children had hidden in the closet. a. quaint b. fastidious c. clandestine d. laconic e. fetid 15. After making ______ remarks to the President, the reporter was not invited to return to the White House pressroom. a. hospitable b. itinerant c. enterprising d. chivalrous e. irreverent 16. With her ______ eyesight, Krystyna spotted a trio of deer on the hillside and she reduced the speed of her car. a. inferior b. keen c. impressionable d. ductile e. conspiratorial 4 501 Sentence Completion Questions 5 17. With a(n) ______ grin, the boy quickly slipped the candy into his pocket without his mother’s knowledge. a. jaundiced b. nefarious c. stereotypical d. sentimental e. impartial 18. Her ______ display of tears at work did not impress her new boss, who felt she should try to control her emotions. a. maudlin b. meritorious c. precarious d. plausible e. schematic 19. Johan argued, “If you know about a crime but don’t report it, you are ______ in that crime because you allowed it to happen.” a. acquitted b. steadfast c. tenuous d. complicit e. nullified 20. The authorities, fearing a ______ of their power, called for a military state in the hopes of restoring order. a. subversion b. premonition c. predilection d. infusion e. inversion 21. The story’s bitter antagonist felt such great ______ for all of the other characters that as a result, his life was very lonely and he died alone. a. insurgence b. malevolence c. reciprocation d. declamation e. preference 501 Sentence Completion Questions 22. It is difficult to believe that charging 20% on an outstanding credit card balance isn’t ______! a. bankruptcy b. usury c. novice d. kleptomania e. flagrancy 23. The ______ weather patterns of the tropical island meant tourists had to carry both umbrellas and sunglasses. a. impertinent b. supplicant c. preeminent d. illustrative e. kaleidoscopic 24. Wedding ceremonies often include the exchange of ______ rings to symbolize the couple’s promises to each other. a. hirsute b. acrimonious c. plaintive d. deciduous e. votive 25. Kym was ______ in choosing her friends, so her parties were attended by vastly different and sometimes bizarre personalities. a. indispensable b. indiscriminate c. commensurate d. propulsive e. indisputable 6 501 Sentence Completion Questions 7 Answers 1. c. Ravenous (adj.) means extremely hungry. 2. a. Vulgarity (n.) means offensive speech or conduct. 3. b. Magisterial (adj.) means overbearing or offensively self-assured. 4. c. Punctual (adj.) means arriving exactly on time. 5. b. To provoke (v.) is to incite anger or resentment; to call forth a feeling or action. 6. c. To scintillate (v.) means to emit or send forth sparks or little flashes of light, creating a shimmering effect; to sparkle. 7. d. To necessitate (v.) means to make necessary, especially as a result. 8. c. To abet (v.) means to assist, encourage, urge, or aid, usually an act of wrongdoing. 9. d. Prolific (adj.) means abundantly creative. 10. c. Galling (adj.) means irritating, annoying, or exasperating. 11. c. To abdicate (v.) means to formally relinquish or surrender power, office, or responsibility. 12. d. Volition (n.) means accord; an act or exercise of will. 13. a. Malodorous (adj.) means having a foul-smelling odor. 14. e. Fetid (adj.) means having a foul or offensive odor, putrid. 15. e. Irreverent (adj.) means lacking respect or seriousness; not reverent. 16. b. Keen (adj.) means being extremely sensitive or responsive; having strength of perception. 501 Sentence Completion Questions 17. b. Nefarious (adj.) means wicked, vicious, or evil. 18. a. Maudlin (adj.) means excessively and weakly sentimental or tearfully emotional. 19. d. Complicit (adj.) means participating in or associated with a questionable act or a crime. 20. a. Subversion (n.) means an overthrow, as from the foundation. 21. b. Malevolence (n.) means ill will or malice toward others; hate. 22. b. Usury (n.) is the lending of money at exorbitant interest rates. 23. e. Kaleidoscopic (adj.) means continually changing or quickly shifting. 24. e. Votive (adj.) means dedicated by a vow. 25. b. Indiscriminate (adj.) means not discriminating or choosing randomly; haphazard; without distinction.