What does the writer say is the important thing to do to enjoy Karaoke？
A. Enter the code number.
B. Choose many different types of music.
C. Listen to others singing so everyone has an audience.
D. Change your voice from a woman to a man or vice-vers
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This radar system is significant because it______.
A. is more precise than microwave radar
B. will work on the earth's surface as well as in space
C. is the first radar system to work in space
D. is easier to operate than microwave radar
In the last line the phrase "image-conscious society" can be replaced by______.
A. fast-developing society which is built on a clear image
B. very imaginative society with nice appearance
C. the society whose image has been ruined because of money
D. the society in which image has been attached importance to
绝对真理和相对真理的关系是（）
A. 两种性质不同的真理
B. 真理的两种不同属性
C. 真理的两种不同形式
D. 真理的两个不同阶段
【B14】
A. moving
B. blowing
C. carrying
D. turning
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