To keep our world a clean tidy home, we must ...

To keep our world a clean tidy home, we must not throw wastes ________

高三英语单项填空简单题查看答案及解析

(2014·南昌第二中学高三检测)We must keep our room clean，for dirt and disease go________，you know.

A．hand in hand　    B．step by step

C．from time to time　    D．one after another

高三英语单项填空中等难度题查看答案及解析

1 think we'd better keep to the subject,　　　　　 we'11 waste our time．

A． and　　　　　　　　　　 B．or　　　　　　　　 C． but　 　　　　　　 D． so

高三英语单项填空简单题查看答案及解析

1 think we'd better keep to the subject, ______we'll waste our time．

A.and B.or C.but D.so

高三英语单项填空中等难度题查看答案及解析

Keeping your teenager out of the social media world is impossible. Whether we like it or not, our kids are growing up in a digital era- -and although that creates major opportunities, it also comes with some pretty big risks. We saw this firsthand when we asked a group of tweens and teens to give up their phones and social media for a week; it was as though we’d asked them to part with a limb.

A recent study of more than 10 ,000 six- to twelve-grade girls carried out by a nonprofit organization Ruling Our Experiences found that high school girls spend an average of six hours a day on social media. And the effect of too much logged-on time is clear. The study found kids who spend eight hours or more on technology per day are five times more likely to be sad or depressed. Adding to the pressure is that2 out of 3 high school girls report being asked to send a revealing photo to another person, and most of them report that they do send sexual texts and photos to each other.

Another study, carried out by Common Sense Media, found that girls use social media more than boys and are also more likely to experience negative consequences. Most of the girls investigated admitted that content posted online often makes them worry about their appearance or social status, while just a quarter of the boys said the same. An earlier study from the Pew Research Center’s Internet came to a similar conclusion: A third of 12- to 13-year-old girls who used social media believed their peers were mostly unkind to each other online , while only 9 percent of the boys agreed.

Of course, these differences don' t mean we shouldn’t have concerns about boys and the impact of digital overload or online bulling. In fact, other studies have shown that boys and girls can be equally damaged by social media. The most important thing is for teens to feel safe, online and in the real world alike.

1.What is the second paragraph mainly about?

A.The pressure of the high school girls logging-on.

B.The influence of too much logged-on time on high school girls.

C.Too much time spent on social media for high school girls.

D.The increasing population of the high school girls logging-on.

2.Which of the following can replace the underlined word “revealing” in paragraph 2?

A.Exposed. B.Interesting.

C.Funny. D.Romantic.

3.Why are the girls more likely to experience negative effect online than boys?

A.Because the girls' social status is low.

B.Because the girls are mostly unkind to each other.

C.Because the girls use social media more than boys.

D.Because the girls pay more attention to their appearance.

4.What can be inferred from the passage?

A.Parents should keep teens out of the social media.

B.Parents keep teens feel safe online and in the real life.

C.It is time to worry about your teens and social media.

D.Boys and girls can be equally damaged by social media.

高三英语阅读理解中等难度题查看答案及解析

It is important to keep industrial waste from entering the rivers and lakes. If we do not do so, efforts to protect the environment will ____________.

A.Go down the drain B.suck it and see

C.make the headlines D.smooth the way

高三英语单项填空困难题查看答案及解析

When the whole world is rainy，let’s make it________ in our heart．

A． clean　　　　　　 B． clear

C． tidy　　　　　 　 D． tiny

高三英语单项填空中等难度题查看答案及解析

When the whole world is rainy, let’s make it________ in our heart.

A. clean　　         B. clear

C. tidy　　　　         D. tiny

高三英语单项填空简单题查看答案及解析

When the whole world is rainy，let’s make it________ in our heart．

A． clean　　　　 B． clear　　　　 C． tidy　　　　 D． tiny

高三英语单项填空中等难度题查看答案及解析

Even as we humans keep polluting the world. Nature somehow keeps finding a way to help correct our mistakes. First, there is a molecule(分子)that helps reduce global warming. Now, a team of Yale students may have discovered something equally amazing — plastic eating fungi(真菌).

Pestalotiopsis microspora(微孢子)is the only known fungus to be able to survive only on plastic. The plastic is so hard that it takes thousands of years to break down on its own.

The best part is that these fungi can do the job even in an oxygenless environment, which means that it could work perfectly even at the bottom of a landfill.

The discovery was the result of an effort between three Yale students who were part of the Rainforest Expedition and Laboratory Program, allowing a selected group of students to visit Ecuador’s rainforest and seek out fungi and bacteria that live inside plants without harming them, which could hold medical or scientific promise. The samples are then brought back to the University’s lab where they do wide testing to see if they are of any practical or scientific use.

In 2008, a student named Pria Anand gathered specimens for one purpose — to find a microbe that could eat plastic. That’s when she came across the Pestalotiopsis microspora. Though she did show the unbelievable characteristics of the fungi, she was unable to get the desired results by the time she graduated, in 2010.

Luckily for her Jonathan Russell, a 2011 graduating student, picked up right where she had left off. By combining her work with research performed by another of Pria’s classmates, Jeffery Huang, he was able to separate the enzyme(酶)in the fungus that is the most effective in breaking down plastic.

Hopefully, experts will take it up from here and make the project a reality and help reduce plastic!

1.What is the main character of Pestaltiopsis microspora?

A. It helps reduce global warming.

B. It needs less oxygen to produce.

C. It can break down plastic.

D. It can be buried in a landfill.

2.The underlined sentence in the passage may mean ________.

A. Jonathan continued to study what Pria failed

B. Jonathan drove to pick up Pria when she got off

C. Jonathan came across Pria at an unexpected place

D. Jonathan invited Pria to go on with her research

3.What can we know from the passage?

A. There are some kind of fungi that can eat plastic.

B. These fungi can only work in an oxygen environment.

C. The discovery was made by chance.

D. A group of students made the discovery that fungi can break down plastic.

4.The best title for the passage may be ________.

A. Fungi Love Plastic

B. Plastic Is Eaten by Fungi

C. Fungi Are Eaten by Plastic

D. Fungi Are Hidden in Plastic

高三英语阅读理解困难题查看答案及解析