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Do you know flowers? Where can you see 1 ? As we know, most flowers smell good, and 2 beautiful. They 3 have beautiful colors and shapes. But do you know the 4 of a flower? A flower is part of a 5 . Its job is to make seeds. New plants can 6 from seeds.

In the past, people 7 know how to plant them. So all the flowers were wild flowers. 8 people learned how to plant seeds, they started to grow the flowers in 9 . So we see all kinds 10 flowers in gardens today.

1.1.

A it

B her

C them

D him

解析：选C。C 考查代词辨析。此处指代flowers，用them。故选C。

2.2.

A look

B taste

C smell

D feel

解析：选A。A 考查动词辨析。句意：正如我们所知，大多数花闻起来很香，看起来也很漂亮。故选A。

3.3.

A too

B also

C either

D only

解析：选B。B 考查副词辨析。句意：它们也有美丽的颜色和形状。also通常用于肯定句中，靠近动词；either，用于否定句中，放在句末；too通常用于肯定句中，放在句末，通常用逗号隔开。故选B。

4.4.

A shape

B color

C job

D home

解析：选C。C 考查名词辨析。根据后面的“Its job is to make seeds”可知，这里提问花的作用，引出后文对其作用的介绍。故选C。

5.5.

A grass

B tree

C leaf

D plant

解析：选D。D 考查名词辨析。根据后面两句“Its job is to make seeds. New plants...”可知，花是植物的一部分。故选D。

6.6.

A grow

B shout

C visit

D travel

解析：选A。A 考查动词辨析。根据前面的“Its job is to make seeds.”可知，新的植物由种子生长出来。故选A。

7.7.

A wasn’t

B didn’t

C couldn’t

D mustn’t

解析：选B。B考查助动词辨析。根据后面的“So all the flowers were wild flowers.”可知，在过去，所有的花都是野花，因此过去人们不知道如何种植它们。故选B。

8.8.

A If

B But

C So

D After

解析：选D。D考查连词辨析。句意：人们学会了如何播种之后，他们开始在花园里种花。故选D。

9.9.

A gardens

B farms

C zoos

D parks

解析：选A。A考查名词辨析。根据后面的“in gardens today”可知，那时候人们开始在花园里种花。故选A。

10.10.

A up

B on

C of

D under

解析：选C。C考查介词辨析。all kinds of各种各样的。故选C。