根據(jù)短文內(nèi)容在空白處填入適當(dāng)?shù)脑~：

　　Birds live in trees. Some other animals live in trees. But do you know some frogs(蛙) live in trees, too?

　　The tree frog is (1) to find. This frog can (2) colors. On green leaves, it stays green. On a brown branch, it (3) brown. Some tree frogs can change from green to gold (4) blue.

　　Tree frogs have long legs and wide (5) . They have sticky toe pads(粘性腳趾). These sticky toe pads keep the tree frogs from (6) .

　　Tree frogs have different (7) and markings (斑點(diǎn)) on their bodies. Their eyes are (8) , too. Some have green eyes, some gray. Some (9) eyes are gold, and some are bright red.

　　The sounds they make in spring and summer are also different. But in winter they (10) make any sound. Do you know the reason?

1．________　2．________　3．________　4．________　5．________

6．________　7．________　8．________　9．________　10．________

答案：
解析：

　　1．hard／difficult　導(dǎo)解：由下文“在綠色的樹(shù)葉上變綠，在棕色的樹(shù)葉上變成棕色可知樹(shù)蛙不易發(fā)現(xiàn)。

　　2．change　導(dǎo)解：后兩句即說(shuō)明樹(shù)蛙能變色。

　　3．turns　導(dǎo)解：與brown搭配，意為“變成棕色”。

　　4．or　導(dǎo)解：gold和blue是并列的兩種顏色，故用or．

　　5．feet　導(dǎo)解：由上文legs推知。

　　6．falling　導(dǎo)解：粘性腳趾的作用就是防滑，這里是防止從樹(shù)上掉下來(lái)。

　　7．colors　導(dǎo)解：由下文markings on their bodies推知。

　　8．different　導(dǎo)解：由too可知，前面的情況也適合于后者，即“也不同”。

　　9．frogs'　導(dǎo)解：文章通篇說(shuō)的就是frog．但要注意復(fù)數(shù)及名詞所有格。

　　10．never　導(dǎo)解：青蛙冬眠，不會(huì)鳴叫。


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