译林版高中英语选择性必修第二册Unit4预习新知早知道2课件+学案

Ⅰ.匹配词义

A．单词匹配

1．virtual　 A．n. 双胞胎之一；一对相像的事物之一

 adj. 双胞胎之一的；成对的，成双的

2．headset B．adj. 最初的，开始的n. 首字母

3．sensor   C．adj. 虚拟的，模拟的；很接近的，

 事实上的

4．academic D．n. 性别

5．twin   E．n. 障碍，阻力；屏障，障碍物；

 分界线，隔阂

6．clone   F．n. 传感器，敏感元件

7．barrier   G．n. 耳机

8．initial   H．n. 酒吧，酒馆

9．gender   I．n. 好像一模一样的人，复制品，

 克隆动物(或植物)vt.克隆，

 以无性繁殖技术复制

10．pub   J．adj. 教学的，学术的；学习良好的；

 纯理论的

[答案]　1－5　CGFJA　6－10　IEBDH

B．短语匹配

1．at the forefront of　 A．也；又；而且

2．a host of B．大量

3．interact with   C．理解；想出；计算出

4．as well as D．立刻；马上

5．boil down to   E．许多，大量

6．figure out   F．就……来说；从……角度

7．in terms of...   G．在牺牲(或损害)……的情况下

8．in an instant   H．归结为，基本问题是

9．like weeds   I．处于最前列，进入重要地位

10．at the expense of   J．互相交流，互相来往；相互作用，

 相互影响

[答案]　1－5　IEJAH　6－10　CFDBG

Ⅱ.默写单词

1．definition n. 定义；释义，解释

2．practical adj. 实际的，真实的；切实可行的；有用的；实事求是的

3．engage vt.& vi. 吸引住(注意力、兴趣)；雇用，聘用；与……建立密切关系

4．optimistic adj. 乐观的，抱乐观看法的

5．annoy vt. 使恼怒，使生气；打扰，骚扰

6．weed n. 杂草，野草

7．globe n. 球体，球状物；地球仪；地球，世界

8．satellite n. 人造卫星；卫星

9．expense n. 费用；开销，开支

10．envy n．& vt.羡慕，忌妒

Ⅰ.语境填空

virtual；initial；definition；gender；headset；pub；barrier；satellite；clone；engage

1．Women are sometimes denied opportunities solely because of their gender．

2．The moon is a satellite of the earth.

3．It could make it hard for people to distinguish between virtual reality and reality.

4．They've gone down the pub for a drink.

5．You must pair your headset and phone before you can make a call.

6．After some initial problems，a special material was successfully produced in quantity.

7．Tom was in some ways a younger clone of his handsome father.

8．The Yangtze river is a natural barrier to the north­east.

9．Even in prison，he continued to engage in criminal activities.

10．There is no general agreement on a standard definition of intelligence.

Ⅱ.语法填空之派生词

1．We should keep optimistic (optimism)in our life no matter what happens.

2．He brought up a practical (practice)plan at the meeting，which brought down the cost of production.

3．We should take measures to forbid returning illegal(legal)cooking oil to dinner tables.

4．He quickly got accustomed to the strong academic (academy)atmosphere and colorful activities in the college.

5．The organization could undertake to direct the distribution(distribute)of aid.

6．They won the battle because of their massive superiority(superior)in numbers.

7．Dictionary writers must be skilled in the art of definition(define)．

1．Though you know the sensory information surrounding you is not real，part of your brain believes it is—and acts accordingly.

虽然你知道你周围的感官信息是不真实的，但你大脑的一部分相信它是真实的，并据此采取行动。

2．It won't be long before virtual museums and interactive three­D exhibitions become common.

不久之后虚拟博物馆和交互式三维展览就会变得普遍起来。

3．For example，5G technology，with its potential to serve up more stable mobile connectivity at faster speed，will make it possible for people to enjoy a more immersive VR experience wherever they are.

例如，5G技术有潜力以更快的速度提供更稳定的移动连接，使人们无论在哪里都能享受更身临其境的虚拟现实体验。