Level TOEFL lesson 21 potx

Level TOEFL lesson 2 1. The evolution of vertebrates suggests development from a very simple heart in fish to a ________ in man. A (A) four-chamber heart (B) four-chambers heart (C) four-chamber hearts (D) four-chamber’s heart 2. She didn’t know ________ when his boss called. B (A) he was where (B) where he was (C) was he where (D) where was he 3. John’s score on the test is the highest in the class; ________. C (A) he should study last night (B) he should have studied last night (C) he must have studied last night (D) he must had to study last night 4. North Carolina is well known not only for the Great Smoky Mountains National Park ________ for the Cherokee Indian settlements. C (A) also (B) and (C) but also (D) because of 5. After the assassination attempt, President Reagan’s doctor suggested that he ________ a short rest at Camp David. C (A) will take (B) would take (C) take (D) took 6. When sugar ________ to yeast, fermentation takes place. D (A) by adding (B) adding (C) it is added (D) is added 7. A good student must know________ C (A) to study hard (B) to be a good student (C) how to study effectively (D) the way of efficiency in study 8. Richard was asked to withdraw from graduate school because ______ B (A) they believed he was not really able to complete research (B) he was deemed incapable of completing his research (C) it was decided that he was not capable to complete the research (D) his ability to finish the research was not believed or trusted 9. Once an offending allergen has been identified ________ tests, it is possible for the doctor to give specific desensitizing injections. B (A) means of (B) by means of (C) of the means by (D) by means 10. One of Shaw’s ________, “Pygmalion”, was the story that formed the basis for the musical play “My Fair Lady”. B (A) greatest work (B) greatest works (C) the greatest work (D) the greatest works 11. Not only ________ atoms with their microscopes, but they now can also “feel” them with the aid of a versatile sensing device called the “magic wrist.” A (A) are today’s scientists able to see (B) able to see today’s scientists are (C) today’s scientists are able to see (D) are able to see today’s scientists 12. Groups of tissues, each with its own function, ________ in the human body. B (A) it makes up the organs (B) make up the organs (C) they make up the organs (D) makes up the organs 13. The Immigration and Naturalization Service often ________ their visas if they fill out the appropriate papers. A (A) lets students extend (B) lets students for extend (C) letting students to extend (D) let students extending 14. It is necessary ________ the approaches to a bridge, the road design, and the alignment in such a way as to best accommodate the expected traffic flow over and under it. B (A) plan (B) to plan (C) planning (D) the plan 15. ________, the outer layer of the skin, contains pigments, pores, and ducts. C (A) That the epidermis (B) The epidermis is (C) The epidermis (D) The epidermis which 16. Rarely ________ acorns until the trees are more than twenty years old. . Level TOEFL lesson 2 1. The evolution of vertebrates suggests development from a very simple heart in