Have you ever wanted to be in a TV show or movie? There is a new app     1    lets you put yourself in your favorite shows.    2     some people are worried about this app.

The app is called ZAO. A tech company    3    (call) Momo released it last month. It lets users put their faces over the faces in photos and videos. Users can put themselves into popular TV shows and movies. For example, you can put your face into a scene from the movie Titanic. Your face     4    (replace) Jack’s or Rose’s. It looks very     5    (nature). Released on Aug 30, it was the most-downloaded free app in China as of Sept 10, according to App Annie,     6    website that tracks app data.

However, some people worry that the app could be abused. People can use the app to make themselves look like politicians or celebrities (名人). They could also violate (侵犯) celebrities’ right of publicity,     7     (use) their faces to make videos or    8    other illegal uses.

Other people worry that they might lose their facial recognition data.     9    is possible that hackers (黑客) could steal this data from app    10    (company) and use it to break into users’ phones and steal their money.

In the face of a changing climate and an ever-growing population, strengthening     1     world’s future food security has never been more important. That’s where seed banks come in, and their goal is     2     (preserve) as many plant species as possible. The Svalbard Global Seed Vault in Norway is the so-called “mothership” of seed banks and     3     (store) back-ups of more than one million plant     4     (sample).

Scientists have cross-bred certain seeds to produce beans and potatoes that are     5     (rich) in vitamins, zinc and iron than standard varieties. These     6     (improve) varieties have been sent to Africa and elsewhere in Latin America, with benefits for public health. But seed bankers still need to work fast.

According to the UN Food and Agriculture Organization, 75% of global crop species     7     (lose) over the past century. At the same time, about 40% of the world’s plant species are at risk of     8     (extinct), and most of the world’s food comes from just a handful of plant and animal species. Though there are more than 7,000 plant species on the planet, just three—rice, maize and wheat—    9     (be) the staple food of over half the world’s population. That is     10     seed banks are so important.

The internet has the power     1     (connect) people across the world to a single     2     (share) community. We can gain almost anything online- with access to the Internet come some truly life- changing advantages. One of the greatest advantages of the Internet lies in the quick and easy access to     3     huge amount of information. The internet has now become the first place     4     the majority of people tend to for information. Meanwhile, it has also made our lives unbelievably     5     (convenience), with all sorts of goods and services     6     (provide) by e- commerce. Above all else, the Internet helps us establish and maintain social ties.     7     the Internet brings many valuable advantages,     8     (connect) has its problems. We must be aware     9     these problems and be careful to use the Internet probably and responsibly. Only in that way can the Internet be a place of discovery, wonder and     10     (inspire) for everyone.

COVID-19 may not originate in China

Chinese top respiratory specialist Zhong Nanshan said although the COVID-19 first     1     (appear) in China, that does not necessarily mean it originated (起源) here, “but we can’t say that virus comes from abroad. The question could     2     (answer) by tracking down the source of the novel coronavirus and getting a result ”.

Analysts said Zhong’s words indicate the toughness of the battle against the coronavirus,     3     (especial) when the disease is spreading around the world but the source and transmission (传播) chain     4     (be) still not completely clear.

Yang Zhanqiu, a director of Wuhan University, said that the novel coronavirus might have multiple birthplaces co-existing around     5     globe. Due to the differences of climates, the virus in some places burst out     6     (early) than others. There are also possibilities that the novel coronavirus in Wuhan was from another source. The chains of transmission are     7    vital importance to contain the disease. Besides,     8     (know) the source of the virus will help with drug development.

Expert said that China’s moves of blocking cities     9     forbidding the trafficking (非法交易) of wildlife have helped narrow down the research into the transmission chain.

At a press conference on Thursday, Zhong praised the timely     10     (measure) taken by the Chinese government, which have successfully prevented a mass COVID-19’ outbreak in China.