下列是细胞的部分结构放大图，请根据图回答下列问题．

我国五个温度带划分的重要指标是（  ）

这是一道综合题，这题有3个小题，第一题为选择题，第二题为填空题，第三题为解答题。

Betty doesn't have ______ for next weekend.

       One day Daddy and I went out    1    a walk. On the way we   2   a lot of people. We went up and   3  a look. Oh, dear!   4  did we see? There   5  a donkey(驴) in the middle of the road. It would not move. The cars and buses could not get 6  .
Then a policeman came. " 7  donkey is this?" he asked. "It' s   8   ," said a farmer, "but I   9  move it. " The policeman and the farmer did 10 best to move the donkey, but it would not move. We laughed, but the  11   of the cars and the buses were   12   . "We can't move the donkey," the farmer and the policeman said. "What shall we do?"
"Give him a carrot," my father said.
"   13 a good idea!" said the farmer.
Soon he found a   14 and showed it to the donkey. When the donkey saw a carrot, it jumped up and walked after the farmer.  15   the cars and buses could get past at last.