题目内容
--- An ant has two stomachs
--- one for itself, one for others.
--- Really? Quite interesting. I ____ anything about it
- A.don’t know
- B.have known
- C.haven’t known
- D.didn’t know
考查时态。句意：蚂蚁有两个胃——一个给自己，一个为别人。——真的吗？相当有趣儿。关于这个事我一点都不知道。结合语境可知描述的是过去的状态，故用过去时态，选D。
I learned about life from an ant farm. When I was seven years old, my family tried to __1__ an ant farm at home. First, we put clean sand in a thin glass box, and then we brought some ants from the backyard and placed them into the __2__ home.
Shortly after the new __3__ were dropped into the glass structure, they got to work making tunnels. I was amazed that each one knew __4__ what to do. After hours of staring, I realized that the ants had particular given jobs. With my mom’s help, I kept a journal of what happened each day and __5__ the ants. My favorite was the biggest, Cinderella. I drew a picture of her in my journal, which I still have.
On day five a disaster __6__ the ant farm. While I was __7__ the ants, I had put my face so close to the structure that I accidentally tipped it over, __8__ in all the tunnels. Although the ants __9__ their earthquake, one by one they began to die. I was __10__ as I watched them give up their tunnel-building to carry the bodies to a corner of the farm. My mother reported that the ants were dying of “frustration”—feeling annoyed and impatient as they couldn’t control the situation. They simply could not __11__ the reality that their tunnels had been destroyed. Cinderella was the last to die; she did so while carrying a dead ant on her back.
Although much time has passed, I still think of that ant farm. Mom had hoped it would teach me about the natural world, __12__ it taught me much more. __13__ the years, I came to realize the ants were a study in the benefits of __14__. Working together, they were able to create a(n) __15__ world for themselves. I also learned that they should be __16__ for their hard work. Day in and day out, each labored at their task. The ant farm demonstrated that teamwork and perseverance are indeed two key __17__ to success. But there was an even larger lesson that I did not __18__ until recently: Disaster is a natural part of life, and must be __19__. Unlike the ants, humans cannot give up when they face __20__. Unlike the ants, we have to realize that if a tunnel caves in, we just have to build another.
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--- An ant has two stomachs --- one for itself, one for others.
--- Really? Quite interesting. I ____ anything about it.
|
A．don’t know |
B．have known |
C．haven’t known |
D．didn’t know |