151. What you said reminds me ________ something I read a few days ago.

　　A)for B)by C)from D)of

　　152. Another worry is that telecommunication systems may isolate people ____each other.

　　A)from B)for C)with D)to

　　153. The smog is due _______ invisible gases，mostly from automobile exhaust.

　　A)from B)to C)for D)with

　　54. ________ is accepted as true is relatively，and not absolutely，true.

　　A)It B)That C)What D)That it

　　155. There are many children and adolescents ______ behavior is generally unacceptable .

　　A)their B)who C)whom D)whose

　　156. Edison failed _____ times before he succeeded in producing the first electric lamp.

　　A)thousand B)thousands C)a thousand of D)thousands of

　　157. Water ________ the digestive juices flow more freely and helps to digest the food.

　　A)makes B)causes C)pushes D)turns

　　158. The panic attacks may _______ for only a few minutes;some，however，continue for several hours.

　　A)happen B)begin C)last D)end

　　159. Let us see how dictionaries are made and how the editors _________ definitions.

　　A)head to B)arrive at C)reach for D)approach to

　　160. The nurse took ________ of my blood to test.

　　A)an example B)an instance C)a case D)a sample

　　答案：151.D 152.A 153.B 154.C 155.D 156.D 157.A 158.C 159.B 160.D