波切台
参考答案:
海蚀崖的反复形成,加上风化作用的联合破坏,使崖壁节节后退,崖前形成的一个表面平坦、近海平面、向海洋方向微倾斜的平台。
阅读课本P44 的课文,回答下列问题。
1. What game are Jenny and Danny playing?
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2. What number does Jenny choose?
3. Who is good at this game?
4. Can Danny spell the word "green"?
5. Does Jenny get good advice at last?
机械搅拌自吸式发酵罐优缺点是什么?