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dQ28: PP77.
Like any star of similar mass would do, once the Sun has exhausted the hydrogen in its store, it expands into a red giant, eventually ejecting its outer envelope of gases to become a white dwarf.
A.Like any star of similar mass would do, once the Sun has exhausted the hydrogen in its store, it expands into a red giant, eventually ejecting
B.Like any star of similar mass, once the hydrogen in the Sun’s core is exhausted, then it expands into a red giant and eventually ejects
C.As in the case of any star of similar mass, once the hydrogen in the Sun’s core is exhausted, it will expand into a red giant, and eventually ejecting
D.As any star of similar mass would, once the hydrogen in the Sun’s core is exhausted it will expand into a red giant and will eventually eject
E.As would be the case with any star of similar mass, once the Sun exhausts the hydrogen in its core, it will expand into a red giant and eventually eject
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bQ29: PP78.
As it is with traditional pharmacies, online drugstores rely on prescriptions to be successful, since it is primarily prescriptions that attract the customers, who then also buy other health-related items.
A.As it is with traditional pharmacies, online drugstores rely on prescriptions to be successful
B.As with the case of traditional pharmacies, online drugstores rely on prescriptions to have success
C.As is the case with traditional pharmacies, prescriptions are the cornerstone of a successful online drugstore
D.As traditional pharmacies, so online drugstores rely on prescriptions to be successful
E.Like traditional pharmacies, the cornerstone of a successful online drugstore is prescriptions
正确答案用红色标注了，我选的错选项在题号前，主要是想问下as 和case 搭配的时候，这个结构算是一个opening sentence吗，它是什么意思，简洁吗，谢谢 |
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发表于 2011-2-26 15:45:54
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发表于 2011-2-26 19:46:36
