5．According to the passage,what viewers can do during the lecture?

a.learn about astronauts’space life and work

b.carry out space scientific experiments themselves

c.observe how gravity works differently in space

d.have their questions answered at the end of the lecture

A．abd B．acd

C．abc D．bcd

6．Which of the following statements is NOT true?

A．Only students from 5 regions can enjoy the space-based class.

B．This lecture is markedly targeted at popularizing space science.

C．Wang Yaping is to give a lecture from space for the second time.

D．The space-based lecture in 2013 was broadcast live in China.

7．What made China the second country to hold a space-based class for students?

A．The Shenzhou X mission.

B．Wang Yaping’s space lecture.

C．Staying in space for 15 days.

D．The new space station module.

8．What is the best title for the passage?

A．Chinese Astronauts to Give Lecture from Space

B．A Lecture about Space Live-stream Broadcast

C．China’s Second Longest Manned Space Mission

D．An Unforgettable Experience of Tiangong Class