题目内容

【题目】根据短文内容从各题的四个选项中选择一个最佳答案,并将其代表 字母涂(填)在答题卡(纸)的相应位置。

When throwing away trash, do you know which bin it should go in? Some of you might not be able to answer this question. But it’s very important to know how to deal with your waste. Not knowing how to deal with waste is harder to save energy and protect the environment.

If you don’t deal with your garbage, all of it will go to a landfill(垃圾场)and be buried ( ) together. These landfills can taken up large areas of ground. The electronic waste you throw away can pollute the soil and groundwater. Other pieces of garbage can be used to make other things if they are properly recycled.

Now, many cities in China have taken actions in recent years. For example, Shanghai announced in July that they will divided the garbage into four groups: recyclable, harmful, wet, and dry.

Paper, metal, glass and other things that can be reused are recyclable waste.

Harmful waste includes things like medicine, batteries and fluorescent bulbs( 荧光灯泡 ). these things are not recyclable.

Wet waste is also known as household waste. “They are things that you don’t want but pigs can eat,” Guangzhou daily explained.

Some waste such as plastic bags, beer bottles and other man-made things will go in the “dry waste” bin.

Many other Chinese cities, including Shenzhen, Guangdong plan to use this way to deal with their garbage. Let’s encourage each other to deal with our waste well by sorting it to protect the environment.

1It’s important to know how to deal with the trash because it helps________.

A.make much money by selling itB.keep every neighborhood clean

C.develop children’s good habitsD.save energy and protect the environment

2People in shanghai should divide their waste into________.

A.recyclable and non-recyclableB.recyclable, non-recyclable and harmful

C.recyclable and other wasteD.recyclable ,harmful, wet and dry

3________isn’t harmful waste.

A.MedicineB.PaperC.BatteryD.Fluorescent bulbs

4The underlined word “sorting” means “________” in Chinese.

A.焚烧B.掩埋C.分类D.消除

5What does the passage mainly tell us?

A.The way to deal with waste.B.The way to stop throwing waste.

C.The way to protect the environment.D.The way to save energy.

【答案】

1D

2D

3B

4C

5A

【解析】

文章介绍了如何处理我们生活中的垃圾有助于节约能源和保护环境,主要介绍了不同的垃圾应该分到哪一类,并介绍了现在很多城市都对垃圾进行分类以保护环境。

1细节理解题。根据文中Not knowing how to deal with waste is harder to save energy and protect the environment.不知道如何处理废物更难以节约能源和保护环境。可知因为这样能够帮助我们节约能源保护环境,故选D

2细节理解题。根据文中Shanghai announced in July that they will divided the garbage into four groups: recyclable, harmful, wet, and dry.上海在7月份宣布,他们将把垃圾分为四类:可回收的、有害的、湿的和干的。可知上海一共分为四类,对照选项可知D选项就是上海垃圾的分类,故选D

3细节理解题。根据文中Harmful waste includes things like medicine, batteries and fluorescent bulbs( 荧光灯泡 ). these things are not recyclable.有害废物包括药品、电池和荧光灯。这些东西是不可回收的。可知有害垃圾中不包括纸,故选B

4词义猜测题。根据文中Let’s encourage each other to deal with our waste well by sorting it to protect the environment.让我们互相鼓励,通过……来处理我们的垃圾,保护环境。以及上文的介绍可知,sorting在这里指的是“分类”的意思,故选C

5推理判断题。根据文中But it’s very important to know how to deal with your waste.但是知道如何处理废物是非常重要的。以及文章最后Many other Chinese cities, including Shenzhen, Guangdong plan to use this way to deal with their garbage.包括深圳、广东在内的许多其他中国城市计划用这种方式处理垃圾。可知知道如何处理生活中的垃圾有助于节约能源和保护环境,所以要学会处理垃圾的方法,故选A

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【题目】 Young sunflowers turn and swing every day. New findings add to evidence that the plants are animal-like.

Harmer, a professor in the University of California at Davis, Department of Plant Biology, carried out a series of experiments on sunflowers in the field, in pots outdoors and in indoor growth chambers.

By staking plants so that they could not move, Harmer showed that he could destroy their ability to track the sun. He also noticed that sunflowers prevented from moving were not as tough and leafy as those that were free to move. When plants were moved indoor with a settled overhead light, they continued to swing back and forth for a few days.

The indoor plants did start tracking the “sun” again when the apparent source of lighting was moved across the room. The plants could reliably tack the movement and return at night when the artificial day was close to a 24-hour cycle, but not when it was closer to 30 hours.

When sunflowers track the sun, the east sides of their stems grew more rapidly than the west sides. At night, the west sides grew faster as the stem swung the other way. The team identified a number of genes that were expressed at higher levels on the sunward side of the plant during the day or on the other side at night. A plant growth-regulating hormone (激素), called auxin, appears to be a key driver.

The “dance” to the sun cycle obviously slows when the sunflower matures (成熟) and its flowers open up. At that point, the plants stop moving during the day and settle down facing the sun in the east.

“Bees like warm flowers.” Harmer said, adding that the bees are cold-blooded, so landing on a warm flower saves them energy and perhaps feels really good.

“The morning warmth changes the flowers in a way to make them more appealing to insects, perhaps causing them to release more attractive scents earlier in the day.” he said “We’re currently testing this idea.”

1Why did Harmer do the experiment on sunflowers?

A.To see how sunflowers grow upB.To show what sunflowers’ genes are.

C.To study why sunflowers track the sun.D.To check if sunflowers swing in cloudy days.

2What does the underlined word “staking” probably mean in Paragraph 3?

A.breakingB.controllingC.growingD.searching

3What is the result of sunflowers being stopped from moving?

A.They will produce a number of new genes.B.They will grow faster than usual.

C.They won’t swing back though set free.D.They won’t grow well.

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