题目列表(包括答案和解析)
slide v．滑行，滑动；偷偷地移动 过去式________过去分词________
About one million years ago,the Ice Age began.The Ice Age was a long period of time in which four great glaciers(冰川) pushed southward to cover almost all the upper half of North America,and then melted away.Each glacier was a thick sheet of ice and snow that spread out from a center near what is now Hudson Bay in Canada.The winters were long,and the cool summers were too short to melt much of the ice and snow.The ever?growing sheet built up to a thickness of two miles at its center.
As all glaciers do,these great glaciers slid(滑动). They pushed down giant trees in their paths and scraped(刮削)the earth bare(光秃秃)of soil.Many animals moved farther south to escape.Others stayed and were destroyed.
When winters of little snow came,the summer suns into the edges to the ice sheets.As the glaciers melted,rocks,soil and other things that had mixed with the ice and snow were left.New hills,lakes and rivers were formed.
The last of the great glaciers began its melting about 11 000 years ago.Itsmelting formed the Great Lakes.These lakes are today little changed from their early sizes the glaciers.This is the Mississippi Missouri Ohio system.These rivers were miles wide at first.Through the years they settle into their present channels.
The main idea of this passage is ________ .
A.the Ice Age was a long period of time
B.great glaciers covered North America many years ago
C.changes in climate helped to melt the glaciers
D.how glaciers changed North America
2.The author states that all glaciers ________.
A.are two miles thick B.form frozen lakes
C.are a million years old D.move and slide
3.From the information in this passage we know that ________.
A.glaciers are destructive
B.all glaciers in the world move southward
C.the Mississippi Missouri Ohio systems is larger than it was before the Ice Age
D.the Great Lakes are now smaller than they were before the Ice Age
4.The Ice Age lasted almost ____.
A.1 000 years B.100 years C.1 000 000 years D.11 000 years
5.In the last sentence,the word “their” refers to ________ .
A.lakes B.rivers C.glaciers D.systems
根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。
Slide guitar
Some people may be familiar with the different styles of music played on guitars．One of these wonderful styles of music comes from what is called the slide guitar． 1 The sounds that come from a slide guitar are unforgettable and just so enjoyable．
The "slide" refers to the action the player makes, where he slides an object across the strings producing a "gliding"(滑动)type of sound．Although it is not entirely clear how the slide guitar technique came to be used, most experts agree that its origins are from an African single-string instrument similar to a violin． 2 It was a way of conveying the players' feelings that they were trying to express．
Slide guitar has also been known for being used with Hawaiian music． 3 Natives of Hawaii and the Pacific Island had instruments similar to those found in Africa．As individuals from more and more cultures went to mainland America, the use of slide instruments became more common．The slide guitar sounds have really struck all of its listeners and musicians, showing them that this style is improving constantly giving new hope to the new types of music．
4 All you need is your guitar and a slide．Slides can be found anywhere from ＄ 5 to ＄ 25, but many players like to make their own slides．The most convenient slide is often made from the neck of a glass bottle．In fact, there are many types of "slides" used in playing die slide guitar．Besides bottle necks, players have used metal tubes, knives or glass tubes to achieve the desired "slide" sound． 5
A．It influenced the slide guitar style as well．
B．It is a particular method or technique for playing the guitar．
C．Slide guitar is something that you can experiment with low costs．
D．The companies work day and night creating these types of slide guitars．
E．Once it hit, it hit hard, and everyone was talking about this new unbelievable sound．
F．For that reason, they should be careful that their finger doesn't get stuck or cut in the process．
G．People in those areas found that moving objects across stringed instruments could produce an attractive sound．
请根据下列提示写出相应内容。
1．使滑动v．________
2．用法；说明n．________
3．传授；指示v．________
4．bush n．________
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