更多"ATOMS: CRYSTAL: :"的相关试题:
[单项选择]ATOMS: CRYSTAL::
A. (A) substance: air
B. (B) water: density
C. (C) level: ramification
D. (D) numbers: matrix
E. (E) agents: reaction
[单项选择]When plutonium undergoes fission, its atoms break apart, giving off a great deal of energy
A. recoil
B. soften
C. fester
D. split
[单项选择]When did scientists come to realize how the atoms and molecules on the Earth mostlikely combined to make living things
A. 4 billion years ago.
B. After seven days.
C. Many years ago.
D. In 1953.
[单项选择]Any substance is made of atoms whether it is a solid, a liquid, or a gas.
A. 由原子组成的物质不是固体，就是液体或气体。
B. 任何物质，不论是固体、液体或气体，都由原子组成。
C. 物质是固态，液态或气态，要看其原子构成。
D. 物质是否由原子构成，是根据它是固态、液态还是气态来判断的。
[单项选择]A compound consists of atoms ______ different chemical properties.
A. of
B. by
C. for
D. with
[单项选择] When natural gas burns, its___ into atoms of carbon and hydrogen.
A. hydrocarbon molecules, breaking up
B. broke up by hydrocarbon molecules
C. hydrocarbon molecules break up
D. broken up hydrocarbon molecules
[单项选择]All matter is made up of atoms; _______, it is made up of nuclei with electrons whirling around them.
A. that is
B. on the contrary
C. in short
D. on the other hand
[单项选择]One special feature of Crystal Ear is that
[名词解释]“水晶宫”（Crystal Paliac）
[单项选择]Which of the following is NOT true of Crystal Ear
A. It is highly sensitive.
B. It is powerful.
C. It is invisible.
D. It is wireless.
