智能天线的基本思想是利用（）来区分不同用户，通过改变各天线阵元的（）在空间形成方向性波束。
参考答案：空间位置；权重
最大的四位数是最大两位数的11倍。[ ]
句子翻译。
1._____(有许多可供选择的诗歌类型), students may eventually want to write poems of
their own. It is easier than you might think and certainly worth a try!
2. She is afraid of snakes. When she sees one, she always ________(发出尖叫).
3. I do hope so because I want you to _______(像我这样活得健康长寿).
4. I felt awkward hearing my uncle praise smoking and hoped that others _______
(能做出自己的判断)and not follow his example.
5. Not only_______ (我们知道了如何和别人合作), but also we have found a new way of learning.
