16. The flowers on the table were a manifestation of the child's love for his mother.

　　[A] demonstration        [B] (an) infestation     [C] combination     [D] satisfaction

　　17. Most of the exhibitions were free, but for some a nominal fee was asked.

　　[A] large               [B] raised            [C] small          [D] higher

　　18. I find his idea extremely abhorrent.

　　[A] superficial           [B] dangerous        [C] distasteful       [D] illogical

　　19.  Hypnotized individuals can be induced to act bizarrely.

　　[A] in harmful ways       [B] against their ways      [C] oddly        [D] emotionally

　　20. The original bobsled was merely a strip of animal skin pulled tight and fastened between smoothed ships of wood.

　　[A] placed               [B] used               [C] attached             [D] released

　　Keys: 16～20 ACCCC