题目内容：

阅读下面的材料，根据所给中文提示正确拼写单词，每空限填一词。

Apple has 1.     (进入) the textbook market. The tech giant(科技巨头) introduced iBooks textbooks in early­­­­ ­­2.       （二月），2012.

iBooks textbooks are digital books in different 3.   (科目), including science , maths, 4.    (历史) and geography. The company offers a collection of textbooks to high school students. It offers a “new textbook experience” and suggests that 5. (它的) interactive iBooks textbooks are “the next chapter in learning(学习的新篇章)”.

It   6. （听起来）like good news for students. Think of it. No more carrying heavy backpacks    7.      (装满) of textbooks. Every textbook you need can be   8.  (储存) on your iPad. No more having to buy expensive textbooks which you will only use for a year or two and then sell or give away.

Of course there’s a hidden difficulty. You need to own an iPad and as you know, it is not    9.     (便宜的). You also need to buy digital textbooks, mostly priced each at $14.99(94.74 yuan) or    10.   (更少).

Will apple revolutionize(变革) learning? Let’s wait and see.