英语选择性必修 第二册Unit 1 Science and Scientists课前预习课件ppt

这是一份英语选择性必修 第二册Unit 1 Science and Scientists课前预习课件ppt，共25页。

Learning bjectives
In this class, yu willsrt ut infrmatin abut China’s Jialng submarine and China’s quantum cmputing machine;make a shrt summary f an imprtant scientific r technlgical achievement that China has made recently.
Activity 1: Talk abut what yu knw abut the fllwing tw tpics.
China’s Jialng submarine 蛟龙号载人潜水器
China’s quantum cmputing machine
1. Why are these tw achievements imprtant?2. When did these achievements ccur? What recrds were set?
Activity 2: Listen and find ut the imprtance f these tw achievements.
1. Why are these tw achievements imprtant?
… China became nly the fifth cuntry t send a manned submarine int deep sea when its ship, the Jialng, reached a depth…
… Chinese researchers Pan Jianwei and his clleagues annunced that they had created the wrld’s first quantum cmputing machine…
1. Why are these tw achievements imprtant? With the Jialng, China became nly the fifth cuntry t send a manned submarine int the deep sea. China created the wrld’s first quantum cmputing machine.
2. When did these achievements ccur? What recrds were set? On 27 June 2012, the Jialng reached a depth f 7,062 metres in the Pacific Ocean’s Mariana Trench.
2. When did these achievements ccur? What recrds were set? On 3 May 2017. It was annunced that the Chinese machine culd prcess data 24,000 times quicker than regular cmputers.
Activity 3: Listen and cmplete the news articles t get specific infrmatin abut these tw achievements.
China Sets Recrd with Deep-Sea Dive 27 June 2012 China became the _____________ t send a manned submarine int the deep sea when its ship, the Jialng, reached a depth f _____________ in the Pacific Ocean’s Mariana Trench. Three men, _____________ , Liu Kaizhu, and Yang B, tk part in this _____________ missin. They spent _____________ n the cean flr.
fifth cuntry
7,062 metres
Activity 3: Listen and cmplete the news articles t get specific infrmatin abut these tw achievements.
China Sets Recrd with Deep-Sea Dive
While there, they ________________ and cnducted research. Only tw ther submarines have succeeded in diving deeper int the cean. In the future, this _____________ submarine will be used fr a _________________ f the Pacific, Atlantic, and Indian Oceans.
cllected samples
8-metre-lng
deep-water survey
China Creates Wrld’s First Quantum Cmputing Machine3 May 2017 Chinese researchers ___________ and his clleagues annunced that they had created the wrld’s first quantum cmputing machine. Regular cmputers, at their mst basic level, prcess data as a series f _____________ , which limits hw fast they can run.
Pan Jianwei
nes and zers
China Creates Wrld’s First Quantum Cmputing MachineThe new machine, hwever, uses phtns (光子), which allws it t ____________ 24,000 times quicker. The researchers have nt been able t create a _______________ quantum cmputer yet. Pan believes that this may take anther _________________.
prcess data
fully functining
ten t twenty years
Activity 3: Listen and cmplete the news articles t get specific infrmatin abut these tw achievements.
1. What infrmatin must yu include in each summary? 2. What infrmatin can yu leave ut?3. Hw can yu explain difficult ideas in a simple way s that thers can understand?
Activity 4: Make a shrt summary f each news stry.
The key facts.
Unimprtant pinins r details.
We shuld keep the vcabulary simple.
Listen and fcus n the key facts f each news stry.
The key facts f news stry 1.
Time : 27 June 2012 Achievement: China became the fifth cuntry t send a manned submarine int the deep sea. Name f the submarine: Jialng Activities: cllected samples and cnducted researchFuture develpment: The submarine will be used fr a deep-water survey f the Pacific, Atlantic and Indian Oceans.
Sample summary
On 27 June 2012, China became the fifth cuntry t send the Jialng t a depth f 7,062 metres in the Pacific Ocean’s Mariana Trench, with three men in it. While there, they cllected samples and cnducted research. In the future, this 8-metre-lng submarine will be used fr a deep-water survey f the Pacific, Atlantic, and Indian Oceans.
The key facts f news stry 2.
Time : 3 May 2017 Achievement: Pan Jianwei and his clleagues had created the wrld’s first quantum cmputing machine. Participants: Pan Jianwei and his clleagues Functin: The new cmputer can prcess data 24,000 times quicker than regular cmputers. Future develpment: It may take anther ten t twenty years t create a fully functining quantum cmputer.
On 3 May 2017, Pan Jianwei and his clleagues annunced that they had created the wrld’s first quantum cmputing machine. The machine can wrk 24,000 times quicker than regular cmputers. It may be anther ten t twenty years befre a fully functining quantum cmputer can be made.
1. Think f ther imprtant scientific r technlgical achievements that China has made recently;2. Summarize ne r tw f these achievements; 3. Share yur summary with yur friends.