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【单选题】
石墨烯又称单层墨,它仅由一层碳原子组成,具有许多奇特的属性,包括极强的拉力,优良的导电性和导热性,硬度最大,熔点超过 3000 °C等,这种高新材料有可能代替硅成为新的半导体材料.发现石墨烯的两位俄科学家因此获 2010 年诺贝尔物理学奖.根据石墨烯的特性,你认为石墨烯不能用来制成 ( )A.
坚韧的防弹衣
B.
发光二极管
C.
保温隔热材料
D.
高压输电线
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皮皮学刷刷变学霸
举一反三
【单选题】A severe weather alert is now in effect for______southern Ohio and Indiana.
A.
whole
B.
the whole
C.
all of
D.
the all
【单选题】The best title for this passage might be______.
A.
The Effect of Termites on the Climate
B.
Why Carbon Dioxide Can Affect the Climate
C.
The Output from Burning Fuel
D.
How Greenhouse Works
【单选题】Coating pellets, granules and tablets with various medium Film coating with organic solvent Film coating with aqueous coating Sugar coating
A.
A utomatic Liquid Filling Machine
B.
R apid Mixer Granulator
C.
A utomatic Coating machine
D.
C apsule filling machine
【简答题】刘基认为，由于天地间的灾异和人间的霍乱皆是阴阳失调，正不压邪引起的，知晓这些原因的（ ）能防患于未然，并能领导众人拨乱反正，使邪恶之气不致于对人造成伤害，并助使邪恶之气向正善之气流转的元气之规律发生作用。政治秩序和统治者治理的宗旨即在于此。
【单选题】A tongue coating that covers the entire tongue and cannot be scraped off is called ( ).
A.
a curdy coating
B.
a greasy coating
C.
a peeled coating
D.
a slippery coating
【单选题】There are 3 main kinds of modern coating processes: , air knife coating and roll coating.
A.
off-machine coating
B.
blade coating
C.
on-machine coating
D.
china clay
【简答题】aqueous dispersion coating
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