11) Trees that block the view of oncoming traffic should be cut down.
(A) alter
(B) obstruct
(C) improve
(D) spoil
12) The remnants of the Roman empire can be found in many countries in Asia, Europe and Africa.
(A) effects
(B) small pieces
(C) buildings
(D) destruction
13) Alex had a reputation for being a prudent businessman.
(A) clever
(B) wealthy
(C) careful
(D) dishonest
14) The successful use of antitoxins and serums has virtually eradicated threat of malaria, yellow fever and other insect-borne diseases.
(A) improved
(B) removed
(C) discovered
(D) announced
15) it is difficult to discern the sample that is on the slide unless the microscope is adjusted.
(A) discard
(B) arrange
(C) determine
(D) debate
16) The pact has been in effect for twenty years.
(A) monarchy
(B) treaty
(C) trend
(D) lease
17) Relaxation therapy teaches one not to fret over small problems.
(A) worry about
(B) get angry about
(C) get involved in
(D) look for
18) If one aids and abets a criminal, he is also considered guilty of the crime.
(A) suspicious
(B) darling
(C) culpable
(D) ruthless
19) Many doctors are still general practitioners, but the tendency is toward specialization in medicine.
(A) rumor
(B) trend
(C) prejudice
(D) security
20) The representatives of the company seemed very callous concerning the conditions of the workers.
(A) liberal
(B) ignorant
(C) responsible
(D) insensitive