The passage is mainly about the way to ______.

A. make liquid fertilizer
B. make a rooftop box
C. cover the roof with grass
D. build a rooftop garden

[听力题］ Directions: This section is to test your ability to give proper responses. There are 4 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.

A. Yes, I did.
B. Yes, I am.
C. No, I don't.
D. That's right.

choose the right answer.

A. Yes, we should.
B. In the bin.
C. You are right.
D. My pleasure.

choose the right answer.

A. That's OK.
B. Not so good.
C. That's all right.
D. Yes, it is.

choose the right answer.

A. Yes, I do.
B. It's interesting.
C. We do not drive cars that day.
D. That's OK.

Directions: This section is to test your ability to understand short dialogues. There are 2 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.

A. Being a teacher.
B. Helping the old.
C. Something about environmental protection.
D. Giving directions for visitors.

choose the right answer.

A. Volunteering work
B. Policies
C. Improving people's environmental awareness
D. Laws

Directions: In this section, you will hear a conversation. After the conversation, there are 2 recorded questions. Both the conversation and questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.

A. Using public transport
B. Using sources of renewable energy
C. Recycling
Designing environmental projects

Choose the right answer

A. Paper
B. Cardboard
C. Battery
D. Tin cans

Directions: In this section, you will hear a recorded short passage. Listen to the passage and fill in each blank with IN NO MORE THAN THREE WORDS. The passage will be read three times.How to keep our environment clean by making an effort to (1) ________________, reuse and recycle plastic grocery bags? Here are some tips. Tip one: hang a bag. Hang a (2) ________________ plastic bag in your kitchen to collect your recyclable plastic bags. Tip two: collect other recyclable plastic bags including, dry-cleaning bags, bread bags, (3) ________________, and produce bags. Tip Three: write down the words, "recycle plastic bags," at the top of every (4) ________________ as to not forget to bring your recyclable plastic bags with you on your next grocery store visit.