A company in San Francisco, US, makes salmon (三文鱼) meat. The meat grows in a lab. The meat looks and tastes like real salmon. It has a similar color with real salmon, too. The company is not very big yet. It is not possible to buy it in a shop now. It still seems that it will be possible in the future.

Salmon is the most popular fish in the world. Sadly, the number of wild fish in the oceans is going down quickly. Salmon farms are in trouble because sea water is getting warmer.

Another problem is that water in oceans is not clean. There are dangerous metals and microplastics (微塑料) in the water. They get in the fish meat. Then, people eat it.

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1.Where does the company come from?

A Australia.

B Canada.

C The USA.

D The UK.

解析：选C。C细节理解题。根据第一段A company in San Francisco, US, makes salmon meat.可知，该公司位于美国旧金山。故选C。

2.Which of the following is TRUE?

A The company is growing bigger and bigger.

B People like eating salmon meat very much.

C Some shops are selling the new salmon meat.

D The salmon meat from the lab tastes better.

解析：选B。B细节理解题。根据第二段Salmon is the most popular fish in the world.可知，三文鱼是世界上最受欢迎的鱼。由此说明人们很喜欢食用三文鱼。故选B。

3.What can we learn about the salmon?

A They are only seen in the wild.

B They will not be on people’s tables.

C They stop growing on salmon farms.

D They don’t like living in warm sea water.

解析：选D。D推理判断题。根据第二段Salmon farms are in trouble because sea water is getting warmer.可知，由于海水变暖，三文鱼养殖场陷入困境。推断三文鱼不喜欢生活在温暖的海水里。故选D。

4.What does the last paragraph tell us?

A Fish can live well in oceans.

B We need healthy salmon meat.

C People care about ocean problems.

D Salmons in oceans are not fit to eat.

解析：选D。D推理判断题。根据最后一段可知，海洋中的水不干净。水中含有危险的金属和微塑料。它们进入鱼肉里。由此说明海洋中的三文鱼不适合食用，故选D。