七、 閱讀測驗 I. 

       When we walk along the river, we can find smallV-shaped holes in the sand. Do animals drink water there?Or birds take a bath in those holes? But those holes aredry. Then what are they for?    (37)    . In each holelives an antlion under the sand at the bottom. They do notfeel hot even on sunny days because the sand keeps themcool.What are the antlions doing at the bottom of the holes?   (38)   .       When ants pass by the holes, they fall into theholes easily because of the slippery sand. Why do the antsnot run away out of the holes? Sure they try, but it is difficult for them. The sand is slippery. After they try manytimes, they give up because they are tired. Then antlionscome out and catch the ants for food. Do butterflies andbees fall into the holes, too? Sometimes, but they can flyaway. Do snakes fall into the holes, too? Yes, but the holesare too small, and snakes are too big for antlions.        Try to find antlions when you walk on the sand alongthe river next time. 

keep 保持 easily 容易地 slippery 滑的
【題組】37.
(A) They are antlions’ homes
(B) They are antlions’ bathrooms
(C) They are holes for dead animals
(D) They are water holes for animals