题目

单词拼写;根据句意和汉语注释，写出单词的正确形式。 1. Mum will give a ___________ (特殊的) gift to me on my birthday. 2. James ___________ (似乎) a little sad these days. 3. Thanks for ___________ (点) a glass of apple juice! It’s my favourite. 4. I dislike eating snacks between meals because they have lots of ___________ (糖). 答案：1 special 2 seems 3 ordering 4 sugar求下列各式中x的值：（1）（x+1）2=16；（2）13x3+9=0．