Which of the following statements about graphene is true 、
A.It is visible to the human eye.
B.It is possibly the thinnest material in the world.
C.It can be used to make paper.
D.Finding it demands time and money.
试卷相关题目
- 1What would change the future of electronics according to engineers、
A.Personal computer.
B.Big technology.
C.Graphene.
D.Creative ways.
开始考试点击查看答案 - 2The earthquake that hit the eastern half of the United States two centuries ago is the biggest "mid-plate" one in history.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 3Whenever tectonic plates move, earthquakes happen.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 4Big earthquakes of a magnitude 8 0r higher seldom happen far from the edges of tectonic plates.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 5Seismometers can identify and locate most of the earthquakes in Chin
A.A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 6The word “apply” in paragraph 4 could be used to replaced by 、
A.push.
B.find.
C.collect.
D.put.
开始考试点击查看答案 - 7What does the writer tell in the last two paragraph 、
A.An easy way to find graphene.
B.Significance of the discovery of graphene.
C.Development of high-tech wonders.
D.Possible applications of graphen
开始考试点击查看答案 - 8Graphene's super strength lies in the fact that.
A.It is the thinnest material in the world.
B.It is made of the most abundant elements in the world.
C.It can help to make electronic components smaller.
D.It helps engineers to produce more sensitive electronic products.
开始考试点击查看答案 - 9who lived in Puerto Rico first
A.the Africans
B.the Spanish
C.the Americans
D.the Taino people
开始考试点击查看答案 - 10In the first paragraph the word “it” refers to
A.immigration
B.Caribbean history
C.the island’s natural beauty
D.Puerto Rican cuisine
开始考试点击查看答案
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