《2025年通城学典初中英语阅读组合训练九年级江苏专版》

( C)1. In the experiment, ____ is NOT the material needed.
A. a plastic bag B. water C. a digital watch D. an alarm clock
( A)2. 新考法·图片理解 Which of the following is the main meaning of Step 2?
( B)3. What is the result of the experiment?
A. Water carries sound vibrations as well as air.
B. Water carries sound vibrations better than air.
C. Air carries sound vibrations better than water.
D. We cannot hear sounds clearly underwater.
( C)4. From the material, we know ____.
A. we're silly if we hold a bag of water to the ear
B. a digital clock is also needed in the experiment
C. why whales can communicate with each other over long distances
D. it's difficult to hear sounds underwater
( D)5. The material mainly wants to tell us ____.
A. how to test the hearing B. how whales hear sounds
C. how air carries sound vibrations D. how sound travels

答案： 1.C 2.A 3.B 4.C 5.D