More than 330 million visitors are expected to take part in the 19 ^thNational Science and Technology Week in China from May 19 to 26．

During the science week， open days will be held to let people experience how science and technology have improved our live． Around 50，000 scientists will enter schools and villages to educate and work together with local people．

The science week this is a big one because it will show China's recent scientific achievements． And this year China will celebrate its 70 ^thbirthday． It's an important year for the purpose of building a well﹣off society（小康社会） by 2020． Since there are still some poor areas in China， science and technology will be very helpful in their development．

Reaching out to the world is also a best part of this year． Expert（专家） from 13 countries within the Belt and Road（一带一路） will take part in the science week and they will also work with the public．

（1）The 19 ^thNational Science and Technology Week will start on 　　in China．

A．	May 19
B．	May 20
C．	May 25
D．	May 26

（2）Many scientists will enter school and villages to 　　．

A．	sell the latest products to local people
B．	learn more about the local environment
C．	collect money for their scientific research
D．	educate and work together with local people

（3）According to the passage， the science week this year will 　　．

A．	send scientists out to the world
B．	show China's recent scientific achievements
C．	see new schools built in village
D．	improve the social abilities of Chinese people

（4）This passage is most probably 　　．

A．	a piece of news
B．	a piece of advice
C．	a story
D．	a letter