阅读理解。
Mary wanted to buy a birthday present for her mother. But she didn't have any money. She was very
sad. She thought and thought. She had an idea. She could make a present by herself. So she used a piece
of paper to make a card. On the front, she drew a beautiful picture of birds and flowers, on the back
she wrote, "To my dearest mummy in the world. Happy Birthday!"
On her mother's birthday, Mary gave her the card. After she saw the card, tears fell down her face.
"Why are you crying?" Mary asked, "You don't like it, right?" "Of course not," she said, "I love it very much.
I'm the happiest mother in the world. I have a great daughter like you."
1. Mary _____.[ ]
A. was rich
B. didn't like her mother
C. never did nice things for other people
D. wanted to buy something for her mother
2. What did she do with the piece of paper? [ ]
A. She wrote a letter.
B. She made a card.
C. She did her homework.
D. She drew a house.
3. What present does Mary give her mother?[ ]
A. The flower.
B. The bird.
C. The card.
D. The money.
4. What did her mother think about the card? [ ]
A. She threw it away.
B. She hated it.
C. She wanted another present.
D. She liked it very much.
5. Which of the following sentences is true? [ ]
A. Mary's mother only liked expensive presents.
B. Her mother was very happy.
C. She made her mother sad.
D. She was a bad daughter.
的有机物，只含一个取代基，可与液溴在铁粉的作用下反应生成一溴代物，则此烃的结构有 [ ]