1. What are the names of the three great stretches of sandy desert which circle the centre of Australia? (Tên của 3 miền sa mạc lớn bao quanh trung tâm nước Úc?) 2. Where is the Simpson Desert? (Vị trí của sa mạc Simpson?) 3. When did the first European enter the desert? (Người châu Âu đầu tiên đi vào sa mạc là khi nào?) 4. Who was Simpson? (Simpson là ai?) 5. How did E. A. Colson and an Australian Aborigine travel across the desert? (E. A. Colson và một thổ dân Úc đã du hành qua sa mạc bằng cách nào?) 6. What are the dunes like in the western and northern parts of the desert? (Những đụn cát ở khu vực phía tây và phía bắc của sa mạc trông như thế nào?) 7. How many kinds of grass grow in the Simpson Desert? What are they? (Có bao nhiêu loại cỏ mọc trong sa mạc Simpson? Đó là những loại cỏ nào?)

1. What are the names of the three great stretches of sandy desert which circle the centre of Australia?

⇒ They are Great Victoria, Gibbon, Great Sandy, Tanami Deserts and Simpson Desert.

2. Where is the Simpson Desert?

⇒ It lies between Late Eyre in the south, the Macdonnel Ranges in the north, the Mulligan and the Diamantia Rivers in the east, and the Macumba and Finke Rivers in the west.

3. When did the first European enter the desert?

⇒ In 1845.

4. Who was Simpson? 

⇒ He was the President of the South Australian Branch of the Royal Geographical Society of Australia.

5. How did E. A. Colson and an Australian Aborigine travel across the desert?

⇒ They took camels across the desert.

6. What are the dunes like in the western and northern parts of the desert?

⇒ In the western part, they are short, mostly less than 10 meters high, and in the northern part, they are paralell and up to 20 meters high.

7. How many kinds of grass grow in the Simpson Desert? What are they? 

⇒ Two. They are hummock grasses and spinifex.

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