林斯顿样题 2 1. Helium is _____ all gases to liquefy and is impossible to solidify at normal air pressure. (A) more than difficult (B) the most difficult of (C) more difficult of (D) most difficult 2. Every year Canadian ______ about 75 percent of their exports to the United States. (A) businesses that sell (B) selling businesses (C) businesses sell (D) that sell to businesses 3. An innovator, ballerina Augusta Maywood was ___ a traveling company. (A) to form the first (B) the first to form (C) who formed the first (D) forming the first 4. When water freezes in the cracks of rocks, _____ expands, causing the rocks to break apart. (A) it (B) but (C) then (D) and 5. With x-ray microscopes scientists can see through live insects ___ even through solid pieces of metal. (A) however (B) nevertheless (C) or (D) yet 6. Dennis Chavez of New Mexico _____ to the House of Representatives in 1930 and to the Senate in 1938. (A) when elected (B) elected (C) who was elected (D) was elected 7. _______ are not leached out of soil, reclamation procedures are needed to restore the land’s productivity. (A) For concentration of salt (B) Salt concentrations that (C) If salt concentrations (D) With concentrations of salt 8. ______ social crusade aroused Elizabeth Williams’ enthusiasm more than the expansion of educational facilities for immigrants to the United States. (A) No (B) Nothing 2 / 12 (C) Not (D) None 9. ______ as 2500 B.C., the Egyptians used mirrors made of highly polished metal. (A) In early (B) As early (C) Early (D) Was as early 10. The quantum theory states ______, such as light, is given off and absorbed in tiny definite units called quanta or photons. (A) energy that (B) that...