The conference has been held to discuss the effect of tourism(旅游业) ___ the wildlife in the area.
A.in | B.on | C.at | D.with |
九年级英语单项填空简单题
The conference has been held to discuss the effect of tourism(旅游业) ___ the wildlife in the area.
A.in | B.on | C.at | D.with |
九年级英语单项填空简单题查看答案及解析
It is a pity that the music festival has been _______ because of the heavy rain.
A. cancelled B. held C. viewed D. covered
九年级英语单项填空困难题查看答案及解析
They have discussed the plan for some hours but no agreement ________.
A. have got to B. has been arrived
C. have arrived D. has been reached
九年级英语单项填空中等难度题查看答案及解析
Every year in spring, many problems of the country at the conference.
A、discuss B、are discussed
C、have discussed D、discusses
九年级英语单项填空简单题查看答案及解析
“Internet of Things” (IoT) was a hot topic at the Second World Internet Conference held in Wuzhen, Zhejiang. Experts said at the conference that in five years, there could be 30 to 50 billion IoT devices (设备) connected to and shaping our lives. Look at the chart below. What will things be like in five years? Let’s take a look!
1.The number of connected devices the number of World population is equal to the number of connected devices per person.
A. plus B. minus
C. multiplied by D. divided by
2. devices have been connected to the IoT by the year of 2020.
A. 500 million B. 12.5 billion
C. 25 billion D. 50 billion
3.From the chart, we can learn that .
A. fewer and fewer people are using connected devices
B. more and more people are using connected devices
C. the number of connected devices was fewer in 2015 than in 2010
D. it is increasing of population that leads to increasing of connected devices
九年级英语阅读理解困难题查看答案及解析
What the adults do has a big effect ________ children.
A. on B. of C. to D. in
九年级英语单选题中等难度题查看答案及解析
—Where is my little dog?
—It________the back of the house.
A.has gone to | B.had gone to | C.has been to | D.had been to |
九年级英语单项填空中等难度题查看答案及解析
Two-thirds of the money has been spent according to the plan, but nobody knows how to use _______ of it.
A.other B.the others C.the rest D.rest
九年级英语单选题中等难度题查看答案及解析
The 2020 Summer Olympics in Tokyo has been put off because of the COVID-19. To welcome the great event, Japan has made 5, 000 medals for the winners. But these Olympic medals are very special. They are all made out of recycled electronic devices(电子设备).
One goal of the Tokyo Olympics is to avoid using too many natural resources, so that the games are environmentally friendly. As part of this goal, the organizers decided to make all of the Olympic medals out of metals recycled from old electronic devices.
You might not know it, but almost all the electronic devices are made with small quantities of precious metals (贵金属), like gold and silver. But collecting enough of these metals to make 5, 000 medals was a huge challenge. That's because the quantity of metals in each device is tiny. It would take about 20,000 cell phones to get just 1 kilogram of gold.
Beginning in April 2017, organizers placed collection boxes around the country, and asked people to turn in their old electronic devices for the Olympic medals. Soon people began to fill up the boxes, turning in smartphones, digital cameras, and laptops. At first, the collection work went slowly, but soon more and more areas began to turn in electronic devices, And 1,621 local governments also helped with the collection work. The Japanese mobile phone company NTT Docomo collected 6.21 million used cell phones. In all, around 71,667, 600 kilograms of electronic devices were collected.
Then came the job of breaking those phones down into smaller pieces. This is a tricky(棘手) job. It is also likely to cause danger, because some of the metals and other things that go into electronic devices aren’t safe for people to touch or breathe. That's why it's not a good idea to try something like this at home. Once the devices were broken down, the metals had to be carefully separated out.
On July 24, 2019, the design for the awards was announced. And by the end of March this year, the organizers had reached their goal.
1.Why does the author say the Tokyo Olympic medals are special?
A.They can be recycled into other products. B.They are small in size and large in number.
C.They are made out of old electronic devices. D.They are green and seem environmentally friendly.
2.What is the main purpose of Paragraph 4?
A.To show the difficulty of the collection work.
B.To thank those who helped with the collection work.
C.To stress the importance of many people working together.
D.To give information on how the collection work was done.
3.What does the author think of the break-down work?
A.Dirty and tiring. B.Hard and dangerous.
C.Boring but rewarding. D.Interesting but challenging.
九年级英语阅读单选困难题查看答案及解析
The great success of this programme has been ____ due to the support given by the local businessmen.
A.rather B.very
C.quickly D.largely
九年级英语单项填空中等难度题查看答案及解析