31) Madame Curie was completely engrossed in her work.
(A) disturbed
(B) absorbed
(C) fatigued
(D) successful
32) Strive for excellence.
(A) Cooperate with others
(B) Be patient
(C) Make efforts
(D) Pay well
33) It is very discourteous to intrude during someone's conversation.
(A) find fault
(B) disagree
(C) be in the way
(D) leave quickly
34) In certain types of poisoning, immediately give large quantities of soapy or salty water in order to induce vomiting.
(A) control
(B) clean
(C) cause
(D) stop
35) Feeling irritable may be a side effect of too much medication.
(A) drowsy
(B) grouchy
(C) dizzy
(D) silly
36) Preservatives are added to bread to keep it from getting stale.
(A) small
(B) flat
(C) old
(D) wet
37) The examination will begin precisely at eight-thirty.
(A) exactly
(B) usually
(C) occasionally
(D) monthly
38) Most competitions are not open to both professionals and non-professionals.
(A) aliens
(B) juniors
(C) amateurs
(D) tutors
39) A balanced diet should include fish and fowl as well as red meat.
(A) fruit
(B) birds
(C) vegetables
(D) cheese and milk
40) Although buses are scheduled to depart at a certain hour, they are often late.
(A) listed
(B) obligated
(C) requested
(D) loaded