Invite some students to explain some key words and sentences in this dialogue, elicit students to say them another way.

让学生在口语交际中熟练地运用定语从句。

youdao

To write the contents of the new words, key sentences and the class teacher to illustrate the use of words or phrases sentences.

要写的内容包括新单词，重点句子以及上课时老师举例说明单词或者词组用法的句子。

youdao

B. Extensive reading: We must train our ability to scan, skip and read fast. Namely, the ability to catch the key words, the topic sentences and the drift of the articles.

泛读：要培养浏览，跳读和快读的能力。即抓住关键词，主题句和中心大意的能力。

youdao

Key sentences and key words are derived from these contexts.

UNESCO: Kha Ri Gude (Let Us Learn) Adult Literacy Programme (KGALP)

Within 18 months of their arrival in South Australia in 1838, the missionaries had produced a definitive vocabulary of about 2, 000 Kaurna words, around 200 translated sentences and key elements of grammar.

BBC: Lost indigenous language revived in Australia