题目内容
（请给出正确答案）
A.around
B.round
C.back
D.odd
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更多“Travel happens with or without luggage, and it can be one way or ________ trip.”相关的问题
Who most likely are the listeners？
A．Tourists.
B．Readers.
C．Journalists.
D．Publishers.
Besides being of critical importance to pilot，radar is (20)______ for air traffic control，for tracking ships at sea，and for tracking weather systems and storms.
(11)
A．through
B．for
C．on
D．against.
This is migration. There are many things which help animals to migrate. Birds and other animals have a body clock which tells them about changes in temperature and periods of light. Birds and some insects use their eyes to measure and compare the position of the sun from different place.
Many people now believe magnetism is very important. The earth itself is a magnet and every kind of life is affected in some way by its magnetic, fields.
But there are still many questions without answers, for example, the migration of eels. European eels travel down their rivers and into the Atlantic Ocean. They then swim 5600 kilometers to the Sargasso Sea, where they lay their eggs. The eels then die. The baby eels are carried by the Gulf Stream to Europe, a journey which takes two and a half years. They swim back up the rivers. There they live for about ten years before the return journey to the Atlantic. How do they do this？ We know what happens to the eels but not how or why.
"Migration" in this passage means
A．the seasonal moving of creatures.
B．settling down in a new place.
C．the activity controlled by magnetism.
D．knowing where one is going and making no mistakes.
Besides being of critical importance to pilot, radar is 20 for air traffic control, tracking ships at sea, and for tracking weather systems and storms.
11.
A.through
B.for
C.on
D.against
There is often a great noise during an earthquake. The earth shakes. Houses fall down. Railway lines are broken. Sometimes many people are killed in an earthquake.
Earthquakes often happen near volcanoes, but this is not always true. The centers of some are under the sea. The bottom of the sea suddenly moves. The powerful forces inside the earth break the rocks. The coast is shaken and great waves appear. These waves travel long distances and rush over the land when they reach it. (42) They are strong enough to break down houses and other buildings; sometimes they break more buildings than the earthquake itself.
What kind of buildings stands up best in an earthquake？ A building with concrete walls is perhaps the best. A steel frame. will make it even stronger. The frame. holds the different parts together, and the walls do not easily fall. There is less chance of fire because concrete and steel do not burn. This kind of building is the safest.
Which of the following shows that an earthquake happens？
A．The earth and the buildings shake badly.
B．There is a great noise in the sky.
C．The sky is covered with thick clouds.
D．The tigers and lions in the zoo run about nervously.
What is the main topic of this passage？
A．The nature of radar.
B．Types of ranging.
C．Alternatives to radars.
D．History of radar.
利维瑞特国是一个小型开放经济。突然由于世界时尚的变动使该国的出口品不受欢迎。
a．利维瑞特国的储蓄、投资、净出口、利率以及汇率会发生什么变动？
b．利维瑞特的公民喜欢到国外旅游。汇率的变动会如何影响他们？
c．利维瑞特国的财政决策者想调整税收，以把汇率维持在以前的水平。他们应该做什么？如果他们这样做了，对储蓄、投资、净出口以及利率会有什么整体影响？
The country of Leverett is a small open economy. Suddenly, a change in world fashions makes the exports of Leverett unpopular.
a．What happens in Leverett to saving, investment, net exports, the interest rate, and the exchange rate？
b．The citizens of Leverett like to travel abroad. How will this change in the exchange rate affect them？
c．The fiscal polieymakers of Leverett want to adjust taxes to maintain the exchange rate at its previous level. What should they do？ If they do this, what are the overall effects on saving, investment, net exports, and the interest rate？
However, if you feel tired after flying from north to south or south to north, you do not have jet lag. Maybe you feel tired from the tiredness and work of getting ready for the trip. You will feel better after you get some sleep. The symptoms that you feel during a flight, such as thirst and motion sickness, are not jet lag either. They are caused by the air pressure in the plane. When you travel north or south, you do not cross time zones. So you do not have true jet lag.
What is jet lag？
A．The tired and confused feeling that you get after flying.
B．Being unable to catch the plane.
C．Being too heavy to be on the plane.
D．Losing the clock in your body.
Task 1
Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.
People who are hit by lightning and survive often have long-term effects. These may include memory loss, sleep disorders, muscle pain and depression.
Expels tell people to seek the safety of a building or a hard-top vehicle(运输工具)anytime they hear thunder, even if it is not raining. They say lightning can strike as far as sixteen kilometers from any rainfall. Lightning can travel sideways. And at least ten percent of lightning happens without any clouds overhead that you can see.
People who are outdoors should make sure they are not the tallest thing around. Bend low to the ground, but do not lie down. And do not stand near a tree or any tall subject. Get away from water and anything made of metal. A car is safe, but do not touch any metal inside.
Safety experts say people in buildings should stay away from anything with wires or pipes that lead to the outside. The National Weather Service says if you plan to disconnect any electronic equipment, do so before the storm arrives. Do not use a wired telephone. Do not use water. All these can carry electricity.
Some people think a person struck by lightning carries an electrical charge(电荷) afterward. Experts say this is not true. It is safe to begin emergency treatment.
Each year about four hundred people in the United States are struck by lightning. Last year forty four people died. The average is close to seventy. The National Weather Service says that is more than the number of people killed by severe storms.
According to the passage, which of the following is NOT true？
A．Lightning can happen even if there is no cloud.
B．Lightning won't do harm to people's health.
C．Lightning can travel sideways.
D．Lightning can strike very far.
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