题目内容

    9. I ever thought of selling my old books,but I've decided to        them. They might be valuable for my little brother.

       A. hold on to   B. keep up with

       C. turn to   D. look after

9. A hold on to意为"坚持;继续保留";keep up with意为"跟上";turn to意为"转向;求助于"; look after意为"照看"。根据关键词"but",可知空格中应填与"selling"意义相反的"hold on  

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The concept of obtaining fresh water from icebergs that are moved to populated areas and barren regions of the world was once treated as a joke more appropriate to cartoons than real life. 1,especially since scientists have warned that the human race will outgrow its fresh water supply faster than it runs out of food.

Glaciers (冰河) are a possible source of fresh water that has been overlooked until recently. Three quarters of the Earth's fresh water supply is still tied up in glacial ice,2 that it could maintain all the rivers of the world for 1 ,000 years. Floating on the oceans every year are 7 ,659 trillion metric tons of ice stored in 10 ,000 icebergs that break away from the polar ice caps,more than ninety percent of them from Antarctica.

Huge glaciers that stretch over the shallow continental shelf give birth to icebergs throughout the year. Icebergs are not like sea ice,3 ,rather,they are formed entirely on land,breaking off when glaciers spread over the sea. As they drift away from the polar region,icebergs sometimes move mysteriously in a direction opposite to the wind,4 Because they melt more slowly than smaller pieces of ice,icebergs have been known to drift as far north as 35degrees south of the equator in the Atlantic Ocean. To move them to parts of the world where they are needed would not be too difficult.

5,such as the prevention of rapid melting in warmer climates and the storing of fresh water in great volume. But even if the icebergs lost half of their volume in moving,the water they could provide would be far cheaper than that produced by removing salt from sea water.

   A. which is formed when the sea itself freezes

   B. Difficulties arise in other technical matters

   C. But now it is being considered quite seriously by many nations

   D. Icebergs are not too much influenced by the temperature.

   E. pulled by subsurface currents

   F. a reservoir (蓄水池) of untapped fresh water so large

   G. People often get fresh water by removing the salt from sea water.

 1.                  2.                  3.         4.          5.         


There were three guys standing in line to get into heaven. Just as they were 1        to enter,St. Peter stops them and tells them they have room for only one more person,so the one who died the 2          (bad) death may enter.

St. Peter started off with the first guy and his reply was:

"I always had a suspicion that my wife 3       ( have) an affair then,so I came home early one day to find that there was nobody but her. Nothing happened 4        I peered over the balcony to find a man hanging from the ledge in his boxers. I got so upset 5        I started stamping on his hands,but he would not let go. I got a hammer and started pounding on his fingers,but he would not let go. Then finally I went inside and grabbed the fridge and dropped it on top of him. After I looked down to see that he6       (crush) to death,I felt so bad that I took a shotgun and killed myself."

St. Peter said, "That's pretty bad,”and asked the second guy how he died.

The second guy said , " I was getting ready for my workout in the afternoon,and I always watch my aerobic videos in my boxers. Today I somehow slipped and fell off my balcony.

7       (luck) ,there was a balcony on the floor below so I8       (hold) on to the rail. As I was calling for help,some lunatic started yelling at me and started stamping on my fingers. He brought out a hammer and started pounding on my fingers,then he quit and went back inside. When I thought he was gone,I started pulling myself up from the ledge,and all I could see was a huge refrigerator 9        on top of me,and I fell with it 10  flights below,and now Fm here."

St. Peter thought to himself, "That's pretty bad."

Then came the third guy. St. Peter said, "Well,what happened to you?" He said, "Well,you won't believe it.      10    ( picture) this,I'm naked inside a refrigerator."      

St. Peter interrupted, " Welcome to the Kingdom of God!”

1.         2.                  3.                  4.          5.         

6.         7,                  8.         9.         ^ 10.      

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