搜题
王老师:19139051760(拨打)
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第1题

We will go there by the fast train which cost a little more than the bus journey but a little ____ than flying. 选项: A:
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第2题

Usually it cannot (get out) because the outside of the earth is too thick and strong. But in some places the outside of
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第3题

The inside of the earth is very, very ____. The rock has melted like ice. 选项: A:deep B:cold C:hard D:hot
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第4题

These floating things are very ____. It is hard to see them. 选项: A:big B:fast C:small D:dangerous
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