当太阳光线照射到地球上时，大量的热返回太空。

2．scare vt. 恐吓vi.受惊吓

　　scary adj. 恐怖的；吓人的

　　[教材原句]　I told myself they weren't dangerous but that didn't stop me from feeling scared to death for a moment!

　　我自言自语地说它们并不危险，但是这样一点也不能抑制我那怕得要死的心情。

　　①You scared me by coming in so quietly.

　　你这么悄悄地进来吓了我一跳。

　　②He scares easily, so he is more a girl than a boy.

　　他动不动就害怕，因此他更像个女孩。

　　(1)scare sb. away/off　　　把某人吓跑

　　scare sb.into/out of doing sth.

　　恐吓某人做某事/吓得某人不敢做......

　　(2)scared adj. 害怕的；惊恐的

　　be scared of sb./sth. 害怕某人/某事

　　be/feel scared to death 吓得要死

　　be scared to do sth. 害怕做某事

　　be scared that ... 害怕......

　　③The scarecrows in the field are used to scare the birds away.

　　田地里的稻草人是用来吓跑小鸟的。

　　④Some parents usually scare their children into_learning English hard.

　　许多父母经常恐吓他们的孩子努力学英语。

　　⑤I wanted to ask her out but was_scared_that she might refuse.

　　我想约她出去，但又怕她会拒绝。

　　Ⅰ.用所给词的适当形式填空

　　1．These shears aren't sharp enough to cut the grass. Please have them sharpened.(sharp)

　　2．The West Lake reflected the young couple. They looked happily at the reflection in the calm water.(reflect)

　　3．She was scared to ride on the horse because once the horse kicked her and that gave her a scare.(scare)

　　4．You can taste this kind of fruit; it's very tasty.(taste)

　　5．We managed to narrow the gap between our team and theirs, or we wouldn't have narrowly won the game.(narrow)

　　Ⅱ.完成句子

　　1．肖恩强烈的爱国之心在他的诗中反映出来。

　　Sean's strong love for his country is_reflected_in_his_poems.

　　2．射箭要对准靶。

　　When shooting an arrow, one must aim_at_the_target.

3．她坐在那里思考着自从买下这个农场以来发生了多少变化。