在平面直角坐标系中，将点A（4，1）向左平移____个单位得到点B（－1，1）．

课外探究小组的同学们为探究一定量的高锰酸钾所制得氧气的体积和细铁丝在氧气中燃烧的实验现象，进行了如图实验，请你参与他们的实验并回答有关问题：

下列各句中，没有错别字的一项是（    ）

注意：1）每处错误及其修改均仅限一词；

2）只允许修改10处, 多者（从第11处起）不计分。

    The new term is coming! It's time for school. Last term, I make little effort on my English, but my grades were not satisfying. During the holiday, I realized English was of great important and made up my mind to make a progress. My plan goes as follows: for one thing, I will learn new words for at least 20 minutes every morning and recite a l00-words paragraph; for another, I will try to be actively in class. Besides, on my spare time, I will read more books about different topics open my mind. I think I can improve me a lot in this way, because that there is a will, there is a way.