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【简答题】
2004年，发现石墨烯的两位英国科学家，从高定向热解石墨中剥离出一层石墨片，然后将这种薄片不断用胶带一分为二使其更薄，这种方法是（）。
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Social change is more likely to occur in societies where there is mixture of different kinds of people than in societies where people are similar in many ways. The simple reason for this is that there...
A.
"greater willingness to accept social change"
B.
"quicker adaptation to changing circumstances"
C.
"more respect for different beliefs and behavior"
D.
"greater readiness to agree to different opinions and ideas\
【单选题】将铜纳米颗粒和银纳米颗粒相隔一定距离固定在石墨片上,然后浸在硝酸银溶液中,可构成一种纳米型原电池。该电池负极反应为( )
A.
Ag ++e -=Ag
B.
Cu-2e -=Cu 2+
C.
Cu 2++2e -=Cu
D.
2H ++2e -=H 2↑
【单选题】Social change is more likely to occur in societies where there is a mixture of different kinds of people than in societies where people are similar in many ways. The simple reason for this is that the...
A.
greater willingness to accept social change
B.
quicker adaptation to changing circumstances
C.
more respect for different beliefs and behavior
D.
readiness to agree to different opinions and ideas