Question

    There are about 5 ,000 different kinds of ladybugs (瓢虫) in the world. They come in many different colors. Their bright colors warn other animals or insects not 11( eat) them. Ladybugs taste bad. A bird 12 a frog that has eaten a ladybug will remember the bright colors and it will not eat another ladybug with the same colors again. When la?dybugs are 13 danger,they will give out a fluid (液体) that tastes terrible.

   In many cultures,the ladybug is considered to be a symbol of good 14 (lucky) . Most ladybugs are kind 15 humans. They eat other insects which destroy (毁坏) crops. One ladybug can eat up to 5 ,000 insects in its life time.

   Ladybugs have six short 16(leg) . They 17 (live) in many different places,such as green land,forests,along the rivers and the countryside. Different ladybugs have different spots. Some of 18don't have spots at all. The most common kind in North America is the 7-spotted ladybug. They are very active from spring to autumn. 19 the weather turns cold,they look for 20 warm place to sleep,such as under stones or in old houses.

11.    12.    13.    14.    15.

16.    17.    18.    19.    20.  

Answer 1

11. to eat   动词warn后接带to的不定式作宾语补足语，表 示“警告某人或某物不做某事”，用warn sb./sth. not to do sth.。

12. or     由句意可知此处表示选择关系，所填词意思为“或者”， 故用or。

13. in    句意:当瓢虫处于危险之中时，它们会排放出一种尝起 来很恶心的液体。表7K“处         于危险之中”，用in danger。

14. luck   作介词of的宾语，用lucky的名词形式luck。

15. to    句意:大多数瓢虫对人类友善。表示“对……友善”，用 be kind to〇

16. 1egs   所填名词leg前面有修饰词six ,故用其复数形式legs。

17. 1ive   通读全文可知，本文是篇介绍瓢虫的科普文章，故用一 般现在时态。

18. them   句意:它们中的一些瓢虫根本没有斑点。表示“它们 中的一些(瓢虫) ”，用some          of them。

19. When   句意:当天气变冷时，它们(会) 寻找一个暖和的地方睡觉...... 。表示“当...... 的时候”，用when。

20.a       由句意可知此处泛指“一个暖和的地方”，故用不定 冠词。