For example, there are public advertisements, which    1    (鼓励) citizens to participate in improving their neighborhood, protecting the environment, and helping other people. Over the last     2    (十年) , the government has sponsored advertisements to    3    (教育)the public on fighting AIDS, saving water, helping the poor, giving up smoking, etc. These advertisements have helped to increase public    4    (知识)about topics that used to be i    5    (忽略)by most people, and this has made our society a better place for everyone.

China’s space programme started later than those of Russia and the US, but it has made great     1     in a short time. China became the third country in the world to     2     send humans into space in 2003, when Yang Liwei successfully     3     Earth in the Shenzhou 5 spacecraft. Then Shenzhou 6 and 7 completed     4     second manned orbit and the first Chinese spacewalk,     5     by the vehicle Jade Rabbit being sent to the moon to study its surface. After that, China     6     the Tiangong 2 space lab into space and Tianzhou1 to dock     7     it. This     8     one step further in China’s plan to     9     a space station in the future. More recently, China has sent Chang’e 4 to explore the surface of the far side of the moon to make     10     and observations.