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Is this your_____?

A.a eraser B.eraser C. erasers D.an eraser

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Do you know why different animals or pests have their special colours? Colours in them seem to be used mainly to protect themselves.

Some birds like eating locusts(蚱蜢),but birds cannot easily catch them. Why? It is because locusts change their colours together with the change of the colours of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown colour as crops have. Some other pests with different colours from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night.

If you study the animal life, you’ll find the main use of colours is protecting themselves. bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colours much like the tree.

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1.How can pests with different colours from plants keep out of danger?

A. They run away quickly.

B. Their colours are much like their enemies.

C. They hide themselves in the day and appear at night.

D. They have to move quietly.

2.The kind of fish can live up to now because .

A. it is very big and strong

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C. the liquid it sends out can kill its enemies

D. it swims faster than any other fish

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A. The Change of Colours for Animals and Pests.

B. Colours of Different Animals and Pests.

C. The Main Use of Colours for Animals and Pests.

D. Some Animals and Pests.

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阅读理解(20分)

请阅读上面的几则寻物及招领启事, 并完成下列各题。

1.Please call ________. She found a watch.

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A new product – the Apple Watch – into the market. Last year, the watch was firstly introduced by Tim Cook, Apple's CEO. The price of the watch is from $349 to $1,099, depending on its size and whether it is a sports or regular one.

Apple engineers and designers have put in a lot of thought and hard work into creating this "small screen" on your wrist(手腕). The "sensor(传感器)" on the screen not only finds your finger, but also knows the difference between when you are tapping(轻触), and when you are pressing hard er.

The watch also has “haptic feedback(触觉反馈)”. You can s end personal messages to your friend —such as drawing a star or a special sign with your fingers, or tapping the watch, say 3 times, and your friend will receive those taps on their wrist.

Besides telling the time, the watch will use 'Bluetooth' to connect with your iPhone and show calls or text messages that come in.

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