Gardening is an activity where you have to get your hands dirty. I know how to do this_________ my grandparents. My grandfather loved gardening. After his arrival in Canada before World War II, Ya Ya opened a small restaurant while my _____________, Yang Yang, didn’t speak any English.

My grandfather took great pride in growing peas, carrots, which he used in home cooking. The entire backyard was devoted to his plants. I would walk in the garden, looking _______________ to the bean stalks (竿) high above my 7-year-old body.

A few years later, my grandfather grew ill. When he died, I was _______________ to see my grandmother pulled up most of the remaining plants. Still only a child, I asked my cousin _________Grandma had dug up Grandpa’s plants. She told me that the garden reminded her of my grandfather.

Years passed, and soon my grandmother was bent-over with age. My father moved her to be closer to our family, which meant taking her away from her home and from the remains of the garden. Shortly after the move, she telephoned my father, and I could hear her _________ shouting in Chinese, asking why he had moved her so far away from her life.

One evening, Grandma told me to _______ her to the backyard. There, in a small patch (块)of soil beside the garage, was a row of Chinese spinach (菠菜). She was gardening at 92.

I now have a house and family of my own. Last _______________ my tomato plant gave us some grape sized fruits by August’s end. I often think back to my grandfather’s garden. And I think about how my grandmother started gardening over again in a new city, far from her first home in Canada, and even further from _____________ .

We all must start somewhere, and sometimes we must start again. And sometimes, starting again ______________ means allowing new roots to grow.

1.A.instead of B.because of C.according of D.belong to

2.A.mother B.father C.grandmother D.grandfather

3.A.up B.down C.back D.out

4.A.worried B.excited C.surprised D.tired

5.A.what B.how C.where D.why

6.A.sadly B.happily C.peacefully D.proudly

7.A.invite B.follow C.carry D.show

8.A.spring B.summer C.autumn D.winter

9.A.America B.England C.China D.Japan

10.A.nearly B.hardly C.specially D.simply

Most people have map apps on their phones that can show their locations and guide them to where they want to go. But how do these app systems know your location at any time or place? They find you by using satellite navigation system(卫星导航系统).

A navigation system uses groups of satellites to find the user’s locations. This location information is then sent to a receiver.

The first navigation system is the Global Position System(GPS)(全球定位系统), which belongs to the United States. The system is the world’s famous navigation system. But China’s satellites are important for improving the navigation system. Beidou, has overtaken(超过) GPS in size, Japan’s Nikkei Asian Review reported.

China sent Beidou’s first navigation satellite into space in 2000. China also became the third country to build a navigation system after the United States and Russia, People’s Daily reported. As of right now, over 30 countries in Africa and the Middle East are using the Beidou system.

With its world-leading technology, Beidou is leading Chinese people to a better life by playing important roles in different areas, according to Xinhua News.

For example, over 6.2 million vehicles in China are using Beidou for navigation, according to a report on the Beidou system’s construction and development.

At the newly built Beijing Daxing International Airport, Beidou has been used to keep track of(追踪) loading and unloading vehicles indoors and outdoors. When the airport opens, each baggage cart has Beidou navigation equipment to help passengers get their luggage faster.

For a navigation system, the number of satellites is important for improving the system’s positioning accuracy(定位精度). The more satellites, the more accurate the positioning is. The satellite navigation system is useful in many ways.

1.What does a navigation system use to find a user’s location?

A.A smart phone. B.Several satellites. C.Beidou D.An airport.

2.Which of the following statements is NOT true according to the passage?

A.GPS is the first navigation system in the world.

B.Beidou system has world leading technology.

C.GPS is much larger than Beidou System.

D.To make the positioning more accurate, we need more satellites.

3.Nikkei Asia Review may be _______.

A.a newspaper B.a satellite C.a navigation system D.an airport

4.How many countries have built navigation systems before 2000?

A.Three. B.Two. C.Over 30. D.One.

5.At Daxing International Airport, Beidou helps _______.

A.to open the doors B.to find the luggage more quickly

C.to improve the positioning accuracy D.to build the new airport

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