1. worst
【感知】
» What can we do to prepare for the worst?
(教材第46页)我们能做些什么来为最坏的情况做准备呢?
» If you don't take this thing seriously, the results will be worse. 如果你不认真对待这件事,结果会更糟糕。
【探究】
worst作形容词或副词,意为"最坏(的);最糟(的)",是bad和badly的最高级,比较级是。
prepare for the worst是固定短语,意为"做最坏的打算"。
【应用】
用所给单词的适当形式填空
①Losing a friend is (bad) than failing an exam.
②This is the (bad) weather we've had all year.

[探究]worse
[应用]①worse ②worst

2. refuse
【感知】
» However, Tilly refused to take a single step further.(教材第46页)
但蒂莉拒绝再往前走。
» I want to make friends with them, but they refused me.
我想和他们交朋友,但他们拒绝了我。
» Much to our surprise, she refused the offer. 令我们惊讶的是,她拒绝了提议。
【探究】
refuse动词,意为"拒绝",其后可以接名词或代词作宾语,也可以接动词不定式结构。
常见用法: 拒绝做某事
【应用】
①用所给单词的适当形式填空:My little daughter refused (speak) to me.
②完成句子:如果我拒绝了她的邀请,她会很沮丧。
If I , she will be very upset.

[探究]refuse to do sth
[应用]①to speak
②refuse her invitation

3. thankfully
【感知】
» ... but thankfully, her family made it to safety just as the water hit the hotel.(教材第47页)……幸好全家在海水冲进酒店前就撤到了安全区域。
» Thanks to her knowledge and quick thinking, one schoolgirl was able to save over 100 lives.(教材第47页)多亏了她的知识和敏捷的思维,这位女学生才能挽救上百条生命。
» I'm very thankful for your help with my homework. 我非常感谢你帮我辅导作业。
【探究】
(1)thank作动词或名词,意为"感谢"。
感谢;多亏
(2)形容词,意为"感激的"。
be thankful to sb for sth 因某事感激某人
(3)thankfully副词,意为""。
【应用】
用所给单词的适当形式填空
①She felt (thank) to the doctor who saved her life.
②(thank) to his help, Li Ping has made progress in maths.
③(thankful), I passed the exam with the teacher's help.

[探究](1)thanks to (2)thankful
(3)幸亏;感激地
[应用]①thankful ②Thanks
③Thankfully