CH1 荒漠的特徵 Characteristics of Deserts

荒漠約佔全球多少的土地面積？

How many land surface of the Earth do deserts cover?

• 10%

• 20%

• 30%

• 50%

荒漠是指_________少於250毫米的乾旱地區。

Deserts are arid areas that receive an _________ rainfall of less than 250 mm.

• A. Daily

  A. 日雨量

• B. Monthly

  B. 月雨量

• C. Seasonal

  C. 季雨量

• D. Annual

  D. 年雨量

荒漠地區的日溫差大。

Deserts have large daily range of temperature.

• Yes 是

• No 不是

• i don't know 不知道

以下哪項是荒漠植被的抗旱特徵？（多選)

Which of the following are drought-resistant features of desert vegetation?

• A. 羽狀複葉

  A. Pinnately compound leaves

• B. 蠟質表面

  B. Waxy surface

• C. 根部廣而淺

  C. Shallow and extensive roots

• D. 厚實的莖部

  D. Thick trunk

荒漠多集中在___________。

Most deserts are found near ___________.

• A. 0°

• B. 南北緯30°

  B. Latitudes 30°N and S

• C. 南北緯60°

  C. Latitudes 60°N and S

• D. 南北緯90°

  D. Latitudes 90°N and S

___________不利成雲降雨，有利荒漠形成。

• A. 高氣壓

  A. High pressure

• B. 中氣壓

  B. Middle pressure

• C. 低氣壓

  C. Low pressure

Which of the following descriptions about the Sahara Desert are CORRECT?

• A. 世界上最大的荒漠

  A. The largest desert in the world

• B. 年雨量低

  B. Low annual rainfall

• C. 溫帶荒漠

  C. Temperate desert

• D. 位於非洲北部

  D. Located in northern Africa

熱帶荒漠的___________比溫帶荒漠高。

Tropical deserts have higher ___________ than temperate deserts.

• A. 降雨量

  A. Rainfall

• B. 緯度

  B. Latitude

• C. 年溫差

  C. Annual range of temperature

• D. 年平均溫度

  D. Annual mean temperature