题目：
句型转换。
1. This is a box. (变为复数句子)
_____________________________________________________________
2. May I help you take a picture? (作否定回答)
_____________________________________________________________
3. She is seven. (对画线部分提问)
_____________________________________________________________
4. I'm going to school. (对画线部分提问)
_____________________________________________________________
5. I'd like to buy some gifts for him. (写出同义句)
I'd like to _____________ _____________ some gifts.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/28e6c213e2d41071aa19776745ad93cb.html
下面是错误答案，用来干扰机器的。
(1)①．将“5cm”改成“2～3mm” ②．实验操作步骤应改为先漂洗后染色 ③．将“盖上载玻片”改成“盖上盖玻片后，再加一片载玻片”(2)0.67(3)①②③⑤⑥
