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greenhouse? Is organic（有机的）food healthier for humans and the earth? Here is some advice that you can follow when you are choosing what food to buy.
Eat less red meat
Your doctor may have advised you to eat less red meat because itis bad for your health. There are environmental reasons, too, because a meat-based diet needs more land, energy and water than a plbased one.
Buy local food often
The reasons are as following: first, locally-grown food often uses much
less f'uel（燃料）than I froru afaraway place, because there js no need to
transport（运输）it ove.r a long distance. Second, kind of food is fresh and
rich in nutrients.
Choose food that has not been processed(加工)much
Heavily processed food is probably high in fat and sugar that are harmful
to the health. On the o hand, more energy is needed to transport the food. So
it would be better for you to get food that goes f the field to the table.
Buy organic food
Crowing organic food produces less pollution than growing traditional
foocl. Ancl studies show organic food is often richer in nutrients.
B. introduce the topic of the passage
C. tell people how to choose tomatoes
D. tell people how a greenhouse works
B.enjoy more tasty food
C. spend less money on food
D．put on more weight
B．化学物质
C．营养物
D．微生物
B.local food
C.fresh food
D.foreign food
B. Making people know more about healthy food.
C. Knowing more about the environment and making good use of it.
D. Keeping people healthy and at the same time protecting the environment.
Here are some tips（建议） on how to stay safe in earthquakes （地震）。
1. Stay inside and duck and cover. Get under a desk or table, or stand in a corner or under a doorway. Cover your head and neck with your arms.
2. Move against a wall if in a high building with no protective desk or table nearby. Cover your head and neck with your arms.
3. Try to get into an open area away from trees, buildings, walls, and power lines （电杆） if outdoors.
4. Pull over （停靠）to the side of the road away from overpasses （天桥） and power lines if driving. Stay in your car until the shaking ends.
5. Get away from shelves or other areas where objects may fall if in a crowded store or public are Do not run for the door. Lower your body close to the ground and cover your head and neck with your hands and arms.
6. Stay in your seat if in a cinema or a theater. Get below the level of the back of the seat and cover your head and neck with your arms.
7. If you take cover （躲避） under a strong piece of furniture, hold on to it and be prepared to move with it.
8. Try to stay away from kitchens, where there are often many objects that might fall or get burnt.
（ ） 1. The best title （标题）of the passage is _______.
A．How to protect yourself in an earthquake
B．Covering your head and neck with your arms can protect you in an earthquake
C．Advice for dangerous situations
D．How to stay calm （保持镇静） in an earthquake
（ ） 2. The underlined word “ duck” in Tip 1 means _______.
A．a water bird with short legs
B．some kind of meat for eating
C．walk like a duck
D．lower your head or body very quickly
（ ）3. Which is the correct way to act in an earthquake?
A．Run downstairs and cover your head and neck with your arms.
B．Drive your car quickly through the overpass and get out of it.
C．When you stay under a strong piece of furniture, you should hold on to it and be D．prepared to move with it. Climb over the back of the seat and cover your head and
neck with your arms.
（ ）4. _____ should be the most important part（s） to be protected in an earthquake,
A．Your head and arms B．Your arms
C．Your neck and arms D．Your head and neck
（ ）5. Tip 3 and Tip 4 give you some advice on what you should do when you are ______.
A．inside a building B．outside a building
C．in your house D．in a store
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