6 (★★)阅读短文,选择正确的答案。
Dogs are friendly. They can help us. So they are our good friends. Dogs are clever, but they can't see all colours. They are colour-blind. They can see black, white, grey, yellow and blue. But how can a dog hunt(捕猎) for food? They can hear and smell very well.
( )1. The word "colour-blind" means(意思是) "____".
A. 失明的
B. 彩色的
C. 色盲的
( )2. A dog can see the colour ____.
A. red
B. white
C. green
( )3. What helps a dog hunt?
A. Ears.
B. Ears and nose.
C. Nose.

1.C 2.B 3.B

7 (★★)根据下列对话猜一猜 Tim 的书可能在哪里。在相应的图片下面打“√”。
Tim: Where is my book?
Mum: Is it on the desk?
Tim: No.
Mum: Is it in the desk?
Tim: No.
...

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( ) ( ) (√)