看音标写单词，并译成中文。
1. /'levl/
2. /'sɜːfɪs/
3. /depθ/
4. /'bɒtəm/
5. /'dezət/

1. level 水平；高度；程度 2. surface 表面；表层 3. depth 深（度）；纵深 4. bottom 底部；最下部 5. desert 沙漠；荒原

Ⅰ. 根据句意及所给首字母提示，补全句中所缺单词。
1. The redwood forest in California is a great natural w.
2. The road s is covered with ice.
3. The robot can work underwater at a d of 1,000 metres.
4. Doctors say too much pressure is not good for a child's d.
5. They live at the b of the hill.
6. This bird is an u winter visitor to Britain.
7. Camels live in the d.

Ⅰ. 1. wonder 2. surface 3. depth 4. development 5. bottom 6. unusual 7. desert

Ⅱ. 根据句意，从方框中选择恰当的单词，并用其适当形式补全句子。
measurement, waterfall, civilization
1. Angel Falls is the world's famous .
2. The of the room are 20 feet by 15 feet.
3. After a month in the woods, all he wanted to do was get back to .

Ⅱ. 1. waterfall 2. measurements 3. civilization

Ⅰ. 单项选择。
()1.The Taklimakan Desert is desert in China.
A. big
B. bigger
C. biggest
D. the biggest

Ⅰ. 1. D