[单选题]The silk thread found in the hair of an Egyptian mummy suggests that .A. Egyptians had probably travelled to China to buy silkB. trade along the Silk Road began earlier than once thoughtC. historical research often achieves fascinating resultsD. new
[单选题]This silk dress _____ so smooth. It’s made in China.A. tastes B. smells C. sounds D. feels
[单选题]Thiskindofpaper_________soft.A.feelsB.tastesC.smellsD.sounds
[单选题]Of a kind of liquid is used to cool the diesel engine, it is invariably called ()A . lubricantB . coolantC . combustion productD . second refrigerant
[单选题]( )iS a property of object—oriented software by which an abstract operation ma)’be performed in different ways in different classes. A.Method B.Polymorphism C.Inheritance D.Encapsulation
[名词解释] 软药(soft drug)
[单选题]Silk, although it is considered a delicate fabric, is in fact very strong,
[试题]简述使用Cool Edit 2000完成以下任务的方法。怎样用Cool Edit 2000录音?
[单选题]Sea water is not directly used as a coolant for engines because of its ().A . low specific heatB . corrosive actionC . high expenseD . acid property
[判断题] COOL的意思是制冷。A . 正确B . 错误