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SC请教
1。In recent years cattle breeders have increasingly used crossbreeding,(partly to acquire certain characteristics in their steers)
A.
B.parly because certain characteristics should be acquired by their steers
我觉得选B
2。老问题,be able to究竟什么用法
表能力,前边是否只接人,此句怎解释
Because the Earth's crust is more solid there and thus better able to transmit shock waves.......
3。老问题,表原因
because和in that 的异同何在
-------------------------谢谢! |
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