What might be the most suitable title for the text、

试卷相关题目

• 1The underlined word “it” in the last paragraph refers to _____.

  A.a human hair

  B.smart wrap

  C.the sun’s energy

  D.a transmitter

  开始考试点击查看答案
• 2The elevators at Seven World Trade Center are special because they can ______.

  A.send people to floors with fewer stops

  B.teach people how to use their ID cards

  C.make people stay very cool in summer

  D.help people go traveling in the building

  开始考试点击查看答案
• 3_____will be developed and used in the construction industry.

  A.“Green roofs” that cool or heat buildings

  B.“Smart wrap” that catches the sun’s energy

  C.Sunlight-measuring sensors that control lights

  D.Window coating that lets light in, but keeps heat out

  开始考试点击查看答案
• 4The two letters most probably appear in a ______.

  A.notice

  B.handbook

  C.book review

  D.newspaper

  开始考试点击查看答案
• 5From the two letters, we can learn Professor Raj Persaud _____

  A.feels doubtful about the value of tipping

  B.believes tipping improves quality of service

  C.wants to ask Hoffman about tipping in the US

  D.thinks tipping a bit more one can get good service

  开始考试点击查看答案