阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整，并将其答案写在答题卡上相应的位置。每词限用一次。

one    after    its    many    always    leg    color    go    believe    however

Nature is amazing! Take a close look at the world of insects, and you’ll discover many unbelievable things. Consider butterflies, for example. Their wings are ___1___ and they have fantastic flying skills. On summer days, you ___2___ see them flying freely over flower gardens and wild fields.

But do you know how butterflies become the flying insects? It’s ___3___ of the amazing wonders of nature. In the beginning, a woman butterfly lays a small and colorful egg on a leaf of a plant.

It’s hard ___4___ that the egg will become something completely different in a few days. It becomes a walking insect. This insect is called “caterpillar” . It now has legs, eyes and a large body. A new life has begun. The caterpillar can eat, walk and see. ___5___, it is still not a butterfly.

Soon, after growing big, the caterpillar makes a cover for itself. It covers itself in the nice protective blanket (保护层) and ___6___ to sleep. This stage is known as the “pupa stage”.

After some time, the blanket breaks and a wet, weak butterfly appears. It now has six ___7___, a mouth, eyes and wings. Shortly, the wings fill with blood, and the beautiful butterfly spreads ___8___ wings and flies away.

This adult butterfly lays her eggs ___9___ a few weeks, and the cycle begins all over again. A Chinese phrase “po jian cheng die” can describe the butterfly’s development best. This is just one example of the wonders of nature. Look around the natural world, and you will learn ___10___ truly amazing things.

1.1.

A

B

C

D

解析：选colorful。答案：colorful词性：形容词解析：空格前为 be 动词 are，需填入形容词作表语；结合语境，此处是形容蝴蝶翅膀色彩丰富，因此将名词 color 转化为形容词 colorful。 答案：always词性：副词解析：该词用于修饰动词 see，表达 “总是、常常” 的含义，符合夏日里经常能看到蝴蝶飞舞的语境。

2.2.

A

B

C

D

解析：选always。.答案：always词性：副词解析：该词用于修饰动词 see，表达 “总是、常常” 的含义，符合夏日里经常能看到蝴蝶飞舞的语境。

3.3.

A

B

C

D

解析：选one。3.答案：one词性：数词解析：此处考查固定搭配 “one of + 复数名词”，意为 “…… 之一”，用来表示蝴蝶蜕变是大自然众多神奇奇观中的一种。

4.4.

A

B

C

D

解析：选to believe。4.答案：to believe词性：不定式解析：此处考查固定句型 “It’s + 形容词 + to do sth.”，意为 “做某事是…… 的”，因此填入 believe 的不定式形式 to believe。

5.5.

A

B

C

D

解析：选However。5.答案：However词性：副词解析：前文提到毛毛虫已经具备吃、爬、看的能力，后文则说它还不是蝴蝶，前后存在转折关系；同时该词位于句首，首字母需要大写，因此填 However。

6.6.

A

B

C

D

解析：选goes。6.答案：goes词性：动词解析：and 连接两个并列的谓语动词，前半句谓语动词 covers 为第三人称单数形式，因此本空的动词也需使用第三人称单数；“go to sleep” 是固定搭配，意为 “入睡”，故填 goes。

7.7.

A

B

C

D

解析：选legs。7.答案：legs词性：名词解析：空格前为基数词 six，后接可数名词复数形式；结合常识，蝴蝶有六条腿，因此填 leg 的复数形式 legs。

8.8.

A

B

C

D

解析：选its。8.答案：its词性：形容词性物主代词解析：该词用于修饰名词 wings，用来表示 “蝴蝶的翅膀”，因此填 it 的形容词性物主代词 its。

9.9.

A

B

C

D

解析：选after。9.答案：after词性：介词解析：结合语境，此处是表达成年蝴蝶在几周之后产卵，表时间上的先后顺序，因此填 after。

10.10.

A

B

C

D

解析：选many。10.答案：many词性：形容词解析：该词用于修饰复数名词 things，表达 “许多” 的含义，符合文末 “会学到许多真正奇妙的东西” 的语境。