内容正文:
Section 4 Developing ideas
Step 1 Scan for Specific Information
1.According to the first paragraph of the passage, which of the following statements is NOT true?
A. The process of making paper bags produces less greenhouse gases than making plastic bags.
B. Paper shopping bags are no better than plastic ones.
C. Making paper bags uses more water than making plastic bags.
D. Using a reusable bag is environmentally friendly.
答案 A
2.According to the passage, what may happen if a device is in stand⁃by mode?
A. The device uses no power at all.
B. Electricity power might be cut off.
C. Electricity may leak from an old device.
D. It is actually off in such mode.
答案 C
3.Why is eating local food not always a green choice?
A. Because local food is not nutritious enough.
B. Because it might take longer to grow local produce.
C. Because local produce might have released more greenhouse gases.
D. Because local produce is hard to keep cold.
答案 C
4.What is the passage intended to do?
A. To offer some suggestions on how to save water.
B. To prove some green facts false.
C. To explain how to save energy.
D. To describe some details of making the earth green.
答案 B
Step 2 Analyze the Structure
Green
facts
about
living
green
common ideas
conclusions
reasons and advice
Paper shopping bags are better than plastic ones.
Both paper bags and plastic ones are ①bad for the environment.
Reason: Making paper bags uses ②more energy and produces ③more greenhouse gases than making plastic bags.
Advice: Take ④a reusable bag with you when you go shopping.
When you turn off a device, it stops using power.
Devices in stand⁃by mode still use power, and older devices can use ⑤even more.
Reason: Electricity continues to leak from the device, even when it is turned “off”.
Advice: ⑥Remove the plug from its power supply.
Eating local food is good for the environment.
It is not that simple.
Reason: Local produce might have used more energy and produced more gree