B. Later, people could make a map. They walked around a place and wrote notes. Then they drew a map.
C. Sometimes, people went to other cities. There were no planes or trains then. So they went by ship. Compass could help them at the sea.
D. Now, when people walk on the road or drive a car, they can use the BDS. It’s very helpful!
1.阅读短文,根据短文内容用阿拉伯数字给下列图片排序。
2.根据短文内容选择正确的答案。
(1) How to find a way many years ago? Which one is NOT true?
A. They could look at the stars at night. B. They could use a map or a compass. C. They could use BDS.
(2) How to make a map many years ago?
A. They walked around a place and wrote notes, then they drew it. B. They used a computer. C. They thought it at night.
(3) People went to other cities by ______ many years ago?
A. plane B. ship C. bike
(4) BDS can help us ______.
A. do homework B. find the way C. clean the room
3.根据实际情况回答问题。
Mr Young lives in Huidong. He is going to take a trip to Guangzhou with his friends tomorrow, how can they get there?
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2