2019-2020学年人教版高中英语必修3优化学案:Unit 4 Astronomy the science of the stars Period 4
2019-2020学年人教版高中英语必修3优化学案:Unit 4 Astronomy the science of the stars Period 4第2页

3.block out挡住(光线),不去想(回忆)

As a result of this event,a great dust cloud formed in the sky blocking out the sunlight.(P29)

正因为这一事件,天空中形成了一团巨大的尘云,挡住了阳光。

归纳拓展:

block off封闭;封锁(道路)

block one's way挡住某人的路

      block up阻塞;阻挡

小试牛刀: 根据句意用block的适当短语填空

①河道被冰块堵住了。

The river is________ ____with ice.

②雪阻碍了高速公路上的交通。

 Snow has__________ __traffic on the motorway.

课堂展示:展示前面3短语的重点用法及背诵老师要求的句子。

达标练习:

I.翻译:

 1.因为天气不好, 今天早晨发生了一起车祸.。

 2. 由于事故交警封锁了道路。

 3.礼貌是社交的基础.

 4.和他兄弟不同,他很粗鲁。

试做语法(名词性从句).

I.用适当的连接词完成下列句子

1._____ ________ has helped to save the drowning girl is worth praising.

2.It is said_____________ __Peter will have a chance to travel abroad next month.

3._______________Liu Yang ate her food in space is________we want to know.

4.____________ _this happened is not clear to anyone.

5. It's a pity she failed in the driving test.