A three-year independent investigation into the September 11, 2001 attack on the Pentagon has _ new eyewitness evidence which, according to the Southern California-based researchers who conducted the investigation conclusively (and unfortunately), establishes as a historical fact that the violence which took place in Arlington that day was not the result of a surprise attack by suicide hijackers, but rather a military black operation involving a carefully planned and skillfully executed deception." A CNN Reporter at the scene states that there is no evidence that a 757 hit the Pentagon. What hit the Pentagon? A Boeing 757 loaded with passengers and fuel right? Who was on Flight 757? According to the Flight Information there were No Arabs on it. That makes me wonder if Flight 757 actually existed at all. From the pictures and the videos, people can find that there are several doubtful points that need to be taken into consideration, for example the marker line on the grass in the satellite and ground pictures, the different colors of the smoke, the hole which the plane impacted, and the standing pylons . Also, from the comparison of the different pictures, people can find some other strange points. For example, the gear is not the matching one. The wreckage of the plane is not the one from the American Airlines. The glass on the pavement of the pole is another doubtful point. The last thing that need considering is about the collapse. One of the gif video shows the plane impacting the Pentagon. The only problem with this video footage is that it has been altered and can not be fully trusted. These crash photos and videos shown here clearly have been doctored and don't even match the physics of what happened. So where is the real video? It leaves me many questions. Is this a missile? It is a real enigma. Where can you possibly read this article? A) In a newspaper. B) In a book. C) On a website. D) In a magazine.
C
Redwood trees are the tallest plants on the earth,reaching heights of up to 100 meters.They are also known for their longevity,typically 500 to 1000 years,but sometimes more than 2000 years.A hundred million years ago,in the age of dinosaurs,redwoods were common in the forests of a much more moist and tropical North America.As the climate became drier and colder,they declined to a narrow strip along the Pacific coast of Northern Califomia. The trunk of redwood trees is very strong and usually forms a single straight column.It is covered with a soft bark.This bark can be pretty thick,well over two feet in the more mature trees.It gives the older trees a certain kind of protection from insects,but the main benefit is that it keeps the center of the tree harmless from moderate forest fires because of its thickness.This fire resistant quality explains why the giant redwood grows to live that long.While most other types of trees are destroyed by forest fires,the giant redwood actually prospers because of them. Moderate fires will clear the ground of competing plant life,and the rising heat dries and opens the ripe fruit of the redwood,releasing many thousands of seeds onto the ground below. New trees are often produced from shoots,little baby trees,which form at the base of the trunk.These shoots grow slowly,fed by the root system of the "mother'' tree.When the main tree dies,the shoots are then free to grow as full trees,forming a "fairy ring" of trees around the original tree.These trees,in turn,may give rise to more shoots,and the cycle continues. How does a "fairy ring'' form according to the passage? A) By killing an old tree. B) By connecting root systems. C) By inserting holes into old trees. D) By surrounding a mature tree.
D
Q: Stagnant scientific education endangers U.S. economic leadership, says a report by leading business and science figures. Released at a congressional meeting attended by senators and Congress members of both parties, the report updates a 2005 science education report that led to moves to double federal research funding. Nevertheless, the Rising Above the Gathering Stormreview finds little improvement in U.S. elementary and secondary technical education since then. "Our nation's future has worsened," concludes the report panel headed by former Lockheed chief Martin Norman Augustine. The report "paints a discouraging future for America if it were to continue on the _ path it has been following'': * U.S. K-12 education in mathematics and science ranks 48thworldwide. * 49%of U.S. adults don't know how long it takes for the Earth to circle the sun. Although US school achievement scores have stagnated, harming the economy as employers look elsewhere for competent workers, the report says that other nations have made gains. If the USA's students matched Finland's, for example, analysis suggests the US economy would grow 9%-16%. "The real point is that we have to have a well-educated workforce to create opportunities for young people," says Charles Vest,head of the National Academy of Engineering, a report sponsor. "Otherwise, we don't have a chance." "The current economic crisis makes the link between education and employment very clear,'' says Steven Newton of the National Center for Science Education in Oakland. In 2007, however, an analysis led by B. Lindsay Lowell of Georgetown University found that worries about US science education were overblown . It saw three times more science and engineering college graduates than job openings each year. Other reports have found top science and engineering students migrating to better-paying jobs in finance, law and medicine since the 1900s. We can conclude from what Charles Vest says that _ . A) he is satisfied with America's science education B) improving science education helps the growth of the U. S. economy C) American young people have no chance to find good-paying jobs D) Finland's students are not as good as the USA's students in school achievement
A: B
(Question)
A proverb says "Time is money." But in my opinion , time is even more precious than money. Why? Because when money is spent, we can earn it back. However, when time is gone, it will never return. This is the reason why we must value time. The time we can use is limited . Therefore, even an hour is extremely precious. We should _ our time to do useful things. As students we must put more efforts into our lessons so as to serve society and our nation in the future. But it is a pity that there are a lot of people who do not know the importance of time. They spend their precious time smoking, drinking and chatting. They do not realize that wasting time is equal , we should form the good habit of saving time. Do not put off what can be done today until tomorrow. Which is the best example to make full use of time? A) Putting off what can be done today for next day. B) Putting some precious time away. C) Devoting our efforts into our work at the moment. D) Putting some time into our work.
(Answer)
C