D.they are made from flexible materials
B [细节理解题。从第三段"Like any electronic device,these hightech clothes have to be powered.Currently,a tiny nine volt battery serves the purpose."可知选B项。]
2.How will researchers improve these hightech clothes?
A.Body heat will be used as power.
B.The wearer will not get shocked.
C.A tiny nine volt battery will work.
D.They will get charged automatically.
A [细节理解题。从第三段"But the researchers hope that in the near future the clothes will generate electricity by using body heat."可知选A项。]
3.What does the underlined phrase"This handy invention"in Paragraph 5 refer to?
A.The laptop.
B.The electronic ski jacket.
C.The shirtcummobile phone.
D.The world's first cloth keyboard.
C [细节理解题。从第五段"Another useful garment is the shirtcummobile phone."及"enables drivers to chat comfortably with others at the wheel"可知选C项。]
4.The main purpose of the text is .
A.to advertise for an English company
B.to predict the future trend of science
C.to show how rapidly science develops
D.to introduce some intelligent clothing
D [目的意图题。本文主要介绍的是科学家发明的新型电子衣服及它们的用途,故写作的目的应是向我们介绍这些智能的衣服。]