3. They will fly to Washington, ___________ t...

They will fly to Washington,________they plan to stay for two or three days.

A. where          B. there

C. which          D. when

高三英语单项填空中等难度题查看答案及解析

3. They will fly to Washington, ___________ they plan to stay for two or three days.

高三英语单项填空中等难度题查看答案及解析

They will fly to Washington, _____ they plan to stay for two-Or three days．

A．where           B．there              C．which              D．when

高三英语单项填空中等难度题查看答案及解析

Leaders in the aviation （航空）industry plan to launch a campaign that they hope will work against what they call a " flight shaming（使蒙羞）” movement. They say flight shaming has weakened peopled demand for air travel in Europe . Some travelers there are increasingly concerned about the effects of flying on the environment. Activists have been calling for greater action against climate change. That includes avoiding air travel.

Flight shaming has affected air travel demand in many European countries, including Britain, France and Germany. The campaign will try to explain to the public how the industry is reducing its effect on the environment. Juniac, head of IATA, said the flight shaming movement gave off "misleading information"..

The International Air Transport Association （IATA） is organizing the plan through the Air Transport Action Group, a group of aviation industry organizations and companies. Juniac didn't say when the campaign would start, but noted that details would be available to airports and airlines.

Commercial flying is estimated to cause about 2.5% of worldwide carbon emissions（释放）. However, that number could rise as worldwide air travel increases.

The aviation industry says it has already cut carbon emissions by one-half since 1990. The improvements are mainly the result of aircraft that use fuel more effectively. The industry plans to cut emissions further by 2050. It has a goal of stopping the growth of carbon emissions by 2020.

Airlines also have warned of the harmful effects of the flight shaming movement. Some have criticized the industry for failing to explain itself Tim Clark，president of the airline Emirates，said that improvements in technology have reduced the environmental effects of passenger airplanes.

1.What is flight shaming movement about?

A.Weakening peopled demand to travel abroad.

B.Calling on all to fight against global warming.

C.Announcing the environmental harm of flying.

D.Scaring people from approaching the airport.

2.How does Juniac comment on flight shaming movement?

A.It ignores the efforts of airlines to reduce pollution.

B.Airlines will charge the movement for their loss.

C.Airlines are to blame for the cause of the movement.

D.It has positive effects in urging airlines to be green.

3.What conclusion can we draw from the fifth paragraph?

A.The effective use of fuel has made air travel greener.

B.Flight shaming movement has caused great loss for airlines.

C.With more passengers? carbon emissions by planes may rise.

D.The aviation industry aims to stop carbon emission by 2020.

4.What is the text mainly about?

A.Improvement of air quality since flight shaming. movement.

B.Opposition of aviation industry against flight shaming movement,

C.Travelers' inconvenience caused by flight shaming movement,

D.Measures by aviation industry to reduce environmental pollution.

高三英语阅读理解中等难度题查看答案及解析

______to carry out the plan in time,they will make careful preparations.

A Determine  B Having been determined  C Determined   D Being determined

高三英语单项填空中等难度题查看答案及解析

__________ they will not come to join us, we have to change our plan.

A. Seeing that　　　　　　　　 B. When

C. For　　　　　　　　　　　　　 D. As soon as

高三英语单项填空中等难度题查看答案及解析

___________ to carry out the plan in time, they will make careful prepatations.

A．Determine                            B．Having been determined

C．Determined                           D．being determined

高三英语单项填空中等难度题查看答案及解析

As they migrate（迁移) , butterflies and moths choose the winds they want to fly with, and they change their body positions if they start floating in the wrong direction. This new finding suggests that insects may employ some of the same methods that birds use for traveling long distances. Scientists have long thought that insects were simply at the mercy of the wind.

Fascinating as their skills of flight are, migrating behavior has been difficult to study in insects because many long distant trips happen thousands of feet above ground. Only recently have scientists developed technologies that can detect such little creatures at such great heights.

To their surprise, though, the insects weren't passive travelers on the winds. In autumn, for example, most light winds blew from the east, but the insects somehow sought out ones that carried them south and they positioned themselves to navigate directly to their wintering homes.

Even in the spring, when most winds flowed northward, the insects didn't always go with the flow. If breezes weren't blowing in the exact direction they wanted to go, the insects changed their body positions to compensate. Many migrating birds do the same thing.

The study also found, butterflies and moths actively flew within the air streams that pushed them along. By adding flight speeds to wind speeds, the scientists calculated that butterflies and moths can travel as fast as 100 kilometers an hour. The findings may have real-world applications. With climate warming, migrating insects are growing in number. Knowing how and when these pests move could help when farmers decide when to spray their crops.

1. What's the main idea of the text?

A. Windsurfing insects have real direction.

B. Wind helps insects greatly in migrating.

C. Insects migrate with the seasons.

D. Scientists have trouble in observing insects.

2.Scientists originally thought that _____.

A. insects were just blown about by the wind

B. insects chose the winds they wanted to ride

C. insects always waited for their favourable winds

D. insects positioned themselves in the winds

3. It is not easy to study the migrating behavior of the insects because ______.

A. the little creatures can fly very fast

B. their flight is long and high above ground

C. the wind's direction is hard to foresee

D. they have no regular migrating courses

4. We can learn from the text that _____.

A. insects never position themselves when flying low

B. insects travel more easily in autumn

C. insects fly in the way birds do

D. insects rest a lot when the wind pushes them along

高三英语阅读理解中等难度题查看答案及解析

If their marketing plans succeed, they ____ their sales by 20 percent.

A. will increase       B. have been increasing          C. have increased    D. would be increasing

高三英语单项填空简单题查看答案及解析

.If their marketing plans succeed, they ____ their sales by 30 percent.

高三英语单项填空简单题查看答案及解析