I love reading. At age 6, I could be found reading Harry Potter, a difficult book for a 6-year-old but I ____(enjoy) it all the same. ____ soon became obvious that spelling for me was not difficult and I had a wide vocabulary. This is one way I benefited ____ reading at such a young age.

    My advice for you as English learners would be to read the English novels ____you have often read in your native language. Reading novels is a great way of ____(improve) your vocabulary and spelling without realising it as you are absorbed（全神贯注的）in the storyline. You know the sorry well, so its ____(usual) easy to follow it in English even if you do not understand every word.

    This is another essential（基本的）point: it's not necessary ____(understand) every word. If you understand the ____(mean) of the sentence, each word is not necessarily important. Quite often, if a word is used several times in a text, you'll gradually get an idea of ____ it means.

    Give it a try. If you like reading yon could open up ____ whole new world of literature.

在对蜡烛及其燃烧的探究中，下列说法错误的是（）

如图所示，一束光在空气和玻璃两种介质的界面上同时发生反射和折射（图中入射光线、反射光线和折射光线的方向均未标出），其中折射光线是____ （用字母表示），反射角等于____ ．折射角____ ．

根据材料和图，结合所学知识，回答下列问题。

新疆罗布泊水面再古代曾经超过3000平方千米，100多年前尚存500多平方千米，1972年完全干涸。塔里木河曾经是罗布泊的主要水源。20世纪后半期，塔里木河流域修建水库200多座，耕地面积扩大约1倍。