If I had held the fur near the glass wool, what would have happened? A: The glass wool would have been attracted to the fur. B: The glass wool would have been repelled by the fur. C: Nothing

Which of the following would unambiguously cause a decrease in the equilibrium price of cotton shirts? ( ) A: an increase in the price of wool shirts and a decrease in the price of raw cotton B: a decrease in the price of wool shirts and a decrease in the price of raw cotton. C: an increase in the price of wool shirts and an increase in the price of raw cotton. D: a decrease in the price of wool shirts and an increase in the price of raw cotton.

What is it made of ? A: cotton B: leather C: wool

What are the trousers made of? A: Silk B: Wool C: Cotton

原文:近朱者赤近墨者黑。译文:There is wool so white but a dyer can make it black.

We have received news（）that the wool market on your side is showing signs of recovery.

the goods are now ready for ( ). A: wool B: water proof C: packing D: virus

The customer would like ____________. A: a silk scarf B: a cotton scarf C: a wool scarf

（）comes from sheep and some people like eating it. A: Wool B: Pork C: Mutton

Fibers of hair and wool are not continuous and must normally be spun into thread ______ woven into textile fabrics. A: as are they B: when to be C: that they are D: if they are to be