David asks the volleyball star, Cindy Smith, about her eating habits.

David: Hello, Cindy. What do you like for breakfast?

Cindy: I love fruit. I think it's healthy.

David: OK. So what fruit do you like? Do you like bananas?

Cindy: Well, I don't like bananas. But I like oranges and apples.

David: What about lunch? Do you like salad?

Cindy: Yes, I really like it.

David: Hmm ... and do you like hamburgers for dinner?

Cindy: Oh, no, they're not healthy. I like chicken for dinner.

David: OK, well, one last question- do you eat ice-cream after dinner?

Cindy: Err. I like ice-cream but I don't eat it. I don't want to be fat.

    Since 1963, many female space explorers have followed Russian astronaut Valentina Tereshkova. {#blank#}1{#/blank#}.

    In 1983, Sally Ride became the first American women in space. Her team carried out scientific experiments in space and put two communications satellites in space. Satellites make it possible for us to communicate immediately with each other across the world through TV, radio and telephone.

    {#blank#}2{#/blank#}. During her task, she discovered important information about the sun's energy and how it affects the climate in very hot and very cold places on Earth. She also took photographs of Earth and measured air pollution.

    In 1992, Mae Jemison became the first African-American in space. During her task, she did scientific experiments using the weightless atmosphere.{#blank#}3{#/blank#}, so everything floats! Dr. Jemison's experiments gave important information about the human body to produce better medicines and healthcare.

    In 2012, Liu Yang became the first Chinese women in space.{#blank#}4{#/blank#}, which showed how astronauts can survive and stay healthy in space. The conditions in space are very hard on the body and space medicine helps astronauts work safely.

{#blank#}5{#/blank#}.

A. There is no gravity (重力) in space

B. She did experiments in space medicine

C. We believe there will be more and more female astronauts in the future

D. Let' s look at the tasks of four female astronauts to find out what they do in space

E. In 1984, Kathryn Sullivan became the first American women to walk in space

    What has two wheels(轮子), runs on human energy and is red, pink, blue or any other color? A bicycle.

    ①In the US, the number of people who bike (骑自行车）in and around the city has increased. More people bike to work, to the store or to go to the movies. There are more bike lanes(车道)，bike signs, bike shops and there is even a popular bike idea, Capital Bikeshare, which allows people to rent(租用) bikes to get from place to place.

    • Kids also like biking to school.

    ②"In winter we walk, and in the rest of the seasons we ride our bikes, " Olivia Steckler, 8, said. She studies in a public school in Northeast Washington.

"It makes me feel happy," she said about biking. It takes her about 15 minutes to ride from home to school.

    Olivia is one of many kids in Washington, especially in the Capitol Hill area, who bike to school with an adult.

    Malia Weedon, 8, a third grader at Maury Elementary School, likes to bike because it's faster than walking. It takes her about five minutes to get to school on her bike. She's been biking to school for several years now and likes to race her little brother, William,

    Jennifer Hefferan, whose job is to make sure kids in Washington get to school safely, said that more people are calling her to ask about bike safety for kids. She also said that schools ask for more bike racks (自行车停放架）almost every day.

    Road accidents keep happening in every city, on every road and at any time. Traffic rules are made to keep order on the road. They can also help to keep the pedestrians(行人)safe.

    The pedestrian has as many rules to follow as the driver of a car. You should walk on the sidewalk or at the edge of the road. Always look carefully before you walk across the street. If you ride a bike, don't ride in the middle of the road or look around to talk. If you drive, you should slow down at the traffic lights. You must always wear a seat belt(安全带). Without the belts, both the driver and the passengers may be badly hurt in a sudden accident.

    Traffic rules are also called Road Safety rules. The maxim(格言)for all road users is "Thinking about others."

Streaming sites show more documentaries

Streaming sites (流媒体网站) have become the main platform, for producing and broadcasting (播送) documentaries in China, attracting an increasing number of young viewers, according to a recent report.

On Bilibili, for example, a total of over 3,500 documentaries are available ( 可 以获得的) to stream, while nearly 100 of these are original productions (原创的) according to Zhang Shengyan, general manager of the site's copyright cooperation center.

"Watching documentaries has become an important way for young people to understand and research the world," says Zhang, noting a rush in documentary viewers on the site, from 30 million in late 2018 to 90 million this year.

Tencent Video also notes that 75 percent of its users are members of Generation Z (Z 一代:出生于 1996-2012), and the platform is matching their needs busily providing documentaries with greater experience, says Zhou Mo, with the platform's documentary IP content operation center.

Online platforms produce original documentaries and secure (保护) copyright works to offer such films to attract young viewers, according to the report.

"We will go on to support creation in the production and spreading of documentaries, and encourage more creative production forms to attract more viewers, especially the youth," says Gao Jianmin, director of the National Radio and Television Administration.