欢迎大家以如下方式参与Helr GMAT题库周周练活动:
- 参与讨论:直接跟贴参与,正文第一行标明"参与讨论",第二行写出选项,其后解释为什么选择该选项;
- 参与投票:支持最佳答案,回帖"我支持第xx楼的答案",支持参与讨论的同学。
Helr-SC-005
Moynier et al. announce from the accessible parts of the Earth, that the Earth has a chromium isotopic composition that is distinct from that of chondritic meteorites, which are the primitive and undifferentiated building blocks of the solar system.
A. from the accessible parts of the Earth, that the Earth has a chromium isotopic composition that is distinct from that of chondritic meteorites, which are the primitive and undifferentiated
B. from the accessible parts of the Earth, that they have a chromium isotopic composition that is distinct from those of chondritic meteorites, including the primitive and undifferentiated
C. that the accessible parts of the Earth have a chromium isotopic composition that is distinct from that of chondritic meteorites, the primitive and undifferentiated
D. that the Earth’s chromium isotopic composition, collected from the accessible parts of the earth, is distinct from that of chondritic meteorites, including the primitive and undifferentiated
E. the accessible parts of the Earth, having a chromium isotopic composition, are distinct from those of chondritic meteorites, the primitive and undifferentiated |