PHẦN 1: LÍ THUYẾT
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PHẦN 2: BÀI TẬP VẬN DỤNG
A. VOCABULARY AND GRAMMAR
Bài 1. Circle the correct answer A, B, C, or D to complete each sentence.
1. Mother Earth _____ us with air to breathe, water to drink and food to eat.
A. keeps
B. protects
C. provides
D. produces
2. _____ animals can cause ecological imbalances in Earth’s ecology.
A. Chasing
B. Preserving
C. Hunting
D. Grazing
3. To keep the ecologies on Earth in _____, we need to protect natural resources.
A. reserve
B. balance
C. good
D. protection
4. One way to _____ people’s awareness of the need to protect our Earth is to follow the 3Rs.
A. rise
B. preserve
C. protect
D. raise
5. Many human activities cause _____, which is also called habitat destruction.
A. climate change
B. habitat loss
C. ecological balance
D. global warming
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Bài 2. Rewrite each sentence, using the given word in brackets.
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B. READING
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C. WRITING AND SPEAKING
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