If Bolte and his colleague are both correct, it can be inferred that the globular cluster
A. 5 billion years younger than any other cluster in the galaxy
B. the same age as most other clusters in the galaxy
C. 7 billion years younger than another cluster in the galaxy
D. 12 billion years younger than most other clusters in the galaxy
E. 2 billion years younger than most other clusters in the galaxy
查看答案
The passage suggests that Toomre’s work complements Larson’s theory because it______
A. specifies more precisely the time frame. proposed by Larson
B. subtly alters Larson’s theory to make it more plausible
C. supplements Larson’s hypothesis with direct astronomical observations
D. provides theoretical support for the ideas suggested by Larson
E. expands Larson’s theory to make it more widely applicable
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