The keeper of the spring cleared away the leaves and branches, and wiped away the silt(淤泥) that would _______ have choked and polluted the fresh flow of water.
| A．thus | B．otherwise | C．therefore | D．later |
It will be a big help if you go to the store and get what we need for dinner.________， I'll set the table.
| A．As a result | B．On the whole |
| C．In the meanwhile | D．As a matter of fact |
China is a land of bicycles.At least it was back in 1992 when I traveled the country.Back then everyone seemed to be riding a bicycle.Millions of them, all black.Cars were rare.Yet since my arrival in Beijing last year.I've found the opposite is true.There are millions of cars.However, people still use their bicycles to get around.For many, it's the easiest and cheapest way to travel today.Bicycles also come in different colors—silver, green, red, blue, yellow, whatever you want.
It's fun watching people biking.They rush quickly through crossroads, move skillfully through traffic, and ride even on sidewalks(人行道)．Bicycles allow people the freedom to move about that cars just can't provide.
Eager to be part of this aspect of Chinese culture, I decided to buy a bicycle.Great weather accompanied my great buy.I immediately jumped up on my bicycle seat and started home.
My first ride home was orderly(守秩序的)．To be safe, I stayed with a “pack” of bikers while cars on the streets came running swiftly out of nowhere at times.I didn't want to get hit.So I took the ride carefully.
Crossing the streets was the biggest problem.It was a lot like crossing a major highway back in the United States.The streets here were wide, so crossing took time, skill and a little bit of luck.
I finally made it home.The feeling on the bicycle was amazing.The air hitting my face and going through my hair was wonderful.I was sitting on top of the world as I passed by places and people.Biking made me feel alive.According to the author, why are bicycles still popular in China today?
| A．Because they are traditional and safe. |
| B．Because they are convenient and inexpensive. |
| C．Because they are colorful and available. |
| D．Because they are fast and environmentfriendly. |
The author decided to buy a bicycle because he intended ________.
| A．to ride it for fun |
| B．to use it for transport |
| C．to experience local culture |
| D．to improve his riding skills |
How did the author feel about his street crossing?
| A．It was boring. | B．It was difficult. |
| C．It was lively. | D．It was wonderful. |
Which of the following best describes the author's biking experience?
| A．The author enjoyed showing off his biking skills. |
| B．The author was annoyed by the air while riding. |
| C．The author was praised by the other bikers. |
| D．The author took great pleasure in biking. |
Nowadays some hospitals refer to patients ________ name, not case number.
| A．of | B．as | C．by | D．with |
One way to ________ species under threat of extinction—whatever the cause—is to remove them to zoos or parks and feed them there.
| A．betray | B．resist | C．preserve | D．abandon |
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