显微镜下观察到紫鸭跖草细胞的细胞质流动方向是顺时针转动，则紫鸭跖草细胞质的实际流

"Who did this?" Mrs. Green asked with a piece of broken glass in her hand. She had never been so   51  with us. The classroom was so quiet. All students looked at the window except me. I kept my head   52  . I knew it was me. I broke it when I practiced   53  baseball. But should I tell the truth? If I did, I would be in trouble, I didn’t have enough   54 . How could I afford to buy such an expensive window? I really didn’t want to put up my hand,   55  at last I said. “I did it. I am sorry.” It was not   56  for me to say those words.
Mrs. Green went to the book shelf and took down a book. Then she walked to me. Looking at  57 , I was a little afraid. To my surprise, she said, "I know you like  58   .Here is the book about them. It’s yours now. I give it to you not because you broke the window, but because you are  59  ." I couldn’t believe it. I wasn’t punished(惩罚). However, I was given my favorite book about birds.
It happened 20 years ago, but I still   60  the book. The lesson my teacher taught me that day will be in my heart forever.

小题1:	A．excited B．angry C．happy D．nervous

小题2:	A．up B．down C．over D．out

小题3:	A．play B．to play C．playing D．played

小题4:	A．glass B．books C．time D．money

小题5:	A．and B．but C．so D．or

小题6:	A．easy B．difficult C．sad D．terrible

小题7:	A．she B．her C．herself D．hers

小题8:	A．sports B．baseball C．birds D．dogs

小题9:	A．careful B．smart C．kind D．honest

小题10:

A．keep B．give C．borrow D．lose