You drive down the highway with your family or friends in the car,camping equipment and spare clothes in the back.Your windows are down and the wind is hitting you in the face.These are the makings of a classic US road trip.

Road trips are quite common in the country,especially during the Thanks-giving holiday,which is the busiest travel time of the year in the country for families and friends who want to get together.

And for students,going on a road trip is traditional after graduating from high school or college with their schoolmates.It usually involves traveling great distances across the US and camping out whenever possible. Destinations are different depending on where in the country someone is located.But they all show the same kind of adventure.Popular spots to travel to include Yellowstone National Park,the Grand Canon.

However,the most famous of all road trip journey is travelling across the US on Route 66.Route 66 begins in Chicago and ends in Los Angeles.The route goes past many of the lesser-known states.However,it's the bizarre(稀奇古怪的)and wonderful small attractions that draw many road trippers to them.The attractions one sees on these trips are quite strange and very difficult to explain to non-American.They are filled with gas stations that still look like they did back in the 1950s and small restaurants known as "mom and pop restaurants" where you can eat a greasy cheeseburger with a delicious milkshake.Route 66 is also filled with quite unusual,but still fascinating wonders.

Deep down,US road trips show the spirit of freedom and openness.The idea is that if you have a car,you have freedom to escape,to discover,to find yourself,to lose yourself.It's a powerful call,one that is part of the US' identity and culture.It is a must-do for anyone who plans to spend time in the US to see the country and all of its wonders.An old saying—"It's not the destination,it's the journey"—best explains what the experience of a road trip truly offers.

1.The first paragraph is designed to .

A. present the topic B. list some facts

C. raise a question D. give an example

2.What attracts US road trippers most on Route 66?

A. Lesser-known states.

B. Mom and pop restaurants.

C. Gas stations and delicious foods.

D. Strange attractions and fantastic wonders.

3.What is the author's purpose in writing the text?

A. To introduce US road trips.

B. To spread American culture.

C. To stress the importance of a road trip.

D. To attract US road trippers to Route 66.

Most animals have little connection with animals of a different kind, unless they hunt them for food. Sometimes, however, two kinds of animals come together in a partnership (伙伴关系) which is good for both of them. You may have noticed some birds sitting on the backs of sheep. This is not because they want a ride, but because they find easy food in the parasites (寄生虫) on sheep. The sheep allow the birds to do so because they remove the cause of discomfort. So although they can manage without each other, they do better together.

Sometimes an animal has a plant partner. The relationship develops until the two partners cannot manage without each other. This is so in the corals(珊瑚) of the sea. In their skins they have tiny plants which act as “dustmen”, taking some of the waste products from the coral and giving in return oxygen which the animal needs to breathe. If the plants are killed, or are even prevented from receiving light so that they cannot live normally, the corals will die.

1.Some birds like to sit on a sheep because _______.

A. they can eat its parasites

B. they enjoy travelling with the sheep

C. they depend on the sheep for existence

D. they find the position most comfortable

2.The underlined word “they” in the last sentence of the first paragraph refers to ______.

A. birds and parasites B. birds and sheep

C. parasites and sheep D. sheep, birds and parasites

3.We learn from the text that corals depend on plants for______.

A. comfort B. light

C. food D. oxygen

4.What does the second paragraph mainly discuss?

A. Some animals and plants depend on each other for existence[

B. Some animals and plants develop their relationship easily.

C. Some plants depend on each other for food.

D. Some animals live better together.

Natural herbal medicines have been a part of the medicine world for a long time. 1. Some people use them for therapeutic (治疗的) purposes while others use them for medicinal purposes.

2. That is because the ingredients (成分) are natural and therefore have very few side effects when they’re taken. Nowadays, different doctors are advocating for the use of herbal medicine for the well—being and the health of the body.

The main purpose of natural Herbal medicines is to help the body return to its normal state so that it can be restored wholly. 3. For instance, they can restore the body’s natural balance and health in cases where the body is sick or has low immunity. They work by making the immune system (免疫系统) function well and also promote the well - being of the body before any illness sets in. They can make one better at remembering something as they improve blood circulation to the brain. Additionally, natural herbal medicines can reduce anxiety, depression, exhaustion, stress, etc. 4.

Despite many advantages of natural herbal medicines, you should take something into account when you use them. For instance, don’t use them in cases where the conventional drugs are supposed to be used. 5. That is because getting the correct dosage (剂量) and also the exact type of drug for the particular disease is of vital importance.

A. Thus, they help your nerves calm down.

B. The use of herbs is widely known to be safe.

C. Different cultures have used them in various ways.

D. Historically, the Chinese people used them to treat illness.

E. Moreover, it’s a good idea to consult your doctor before using them.

F. Different herbs will work differently and bring desirable healing effects.

G. Herbal medicine is an effective means of helping humans stay healthy.

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