(Questions 18-22)
·You will hear another five short pieces． 
·For each piece decide who iS talking． 
·Write one letter(A-H)next to the number of the piece． 
·You wilI hear the five pieces twice． 
18._______
19._______
20._______
21._______
22._______
第(18)题______

根据材料“It’S amazing to think that the thin thread from cocoons can be woven into such beautiful cloth”可知谈沦的焦点为：蚕的丝线织成美丽的衣服，故选G。 
【听力原文】
Section Two
Question Eighteen
It's amazing to think that the thin thread from cocoons can be woven into such beautiful cloth. This kind of cloth is light and comfortable to wear. So it's often used to make pajamas, shirts, etc. We call it "the Cloth of Kings. "
Question Nineteen
I think I can't pick up some of these items on this Prescription List without your help. Let me see, two bottles of aspirin and a roll of adhesive tape.
Question Twenty
Black might look too serious for young people your age. Why don't you try this violet color in large.You can use the dressing room over there to try it on if you like. This style suits you~
Question Twenty-one
Vitamin C is certainly one of the most important substances our bodies need. But it's not the only one we need. If you really need to supplement your regular diet,I suggest you try one of these multivitamins.
Questiorn Twenty-two
Only man has the power of speech, and all possess the ability. The power of speech is one of the most important possessions of the human race; it makes possible the exchange of ideas between men as well as the passing down of ideas from father to son.