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【单选题】
太阳系是以太阳为中心和所以受到太阳引力约束的天体的集合体,这些集合体包括:8颗行星、至少165颗已知的卫星、3颗已经辨认出来的矮行星,其中太阳系中离太阳最近的两大行星是()。A.
火星、金星
B.
地球、水星
C.
水星、金星
D.
地球、火星
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皮皮学刷刷变学霸
举一反三
【简答题】The demands of an ever-changing world require that we constantly e______our education system and experiment with creative ways of teaching for success.
【单选题】The nuclear pore complex allows for ____
A.
passive diffusion of small molecules
B.
import of proteins
C.
export of mRNA
D.
all of the above
【单选题】Which one is not a component of the nuclear pore complex?
A.
nuclear lamina
B.
Cytoplasmic ring
C.
Nuclear ring
D.
Spoke
【简答题】I hurt my .
【简答题】We believe that the future of our country ____ (Para. 1, depends on) the current young generation. We see that our education system plays a very important role in this.
【简答题】核孔复合体(nuclear pore complex，)
【简答题】Our education system is designed to make sure_____(equal) of opportunity is available to all so that every child can go to school.
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