氨合成塔的组成?
参考答案:氨合成塔由外筒和内件两部分组成。
山东省降水的季节特点是( )
A.全年均匀
B.全年干旱
C.冬季较多
D.夏季较多
— Can I get you a cup of tea?
— _____. [ ]
A. That's very nice of you
B. With pleasure
C. You can, please
D. Thank you for the tea