Prepare yourself for everything ________ (在前面)of time, and you will be successful.
Doing sports can make people happier, ________(健康), and more confident.
Flying in the sky, we can see the fascinating city ________ (在……下面).
In the face of danger, all the firefighters were brave and ________ (没有一个) of them gave up.
You've been learning words since you were a tiny baby. At first, you learned them only by hearing other people talk. Now that you're a reader, you have another way to learn words. What should you do when you come to a word and you think you don't know what it means? 1..
Say it
First sound it out. Then say it to yourself. 2.. Sometimes you know a word in your head but you don't know what it looks like in print. So if you match up what you know and what you read - you have the word!
Use context
If this doesn't work, take the next step: look at the context — the other words and sentences around it. Read this sentence: When it rained, the dog looked for shelter in the doorway. 3.. Rain and in the doorway might give you helpful information.
4.
If the context doesn't help, look at the parts of the word. Does it have any parts you know? These can help you understand what it means. If you don't know the meaning of miner, try looking at parts of the word. You might know that a mine is a place underground where people get coal and other valuable things. A lot of times, -er at the end of a word means "a person who does something". So a miner might be someone who works in a mine.
Look it up
If the three steps above don't work, you can look it up.5. — either a book or online.
Nobody knows the meaning of every word, but good readers know how to understand words they don't know.
A.Use word parts
B.Look at the words
C.It might sound like a word you know
D.You can find the word in a dictionary
E.Following some easy steps can help you
F.If the word shelter doesn't look familiar. look at the words around it
Part of Earth's beauty comes from its oceans. Ocean scientists study the chemical make-up of the ocean, weather patterns, the geography of the ocean floor, and many other areas. Their work is exciting, although sometimes dangerous. Using technology to do certain tasks helps. For example, robotic arms are used for very dangerous tasks.
One basic part of ocean study is understanding waves and how they work. Wind is the great maker of waves. The waves we know are mostly produced by winds blowing over the sea. They are directly connected with the wind speed and the time that wind lasts.
Sometimes ocean life can be seen in the wave. Living things seem to be staying within the wave, moving slowly inside it as if they were weightless. Besides the beauty of waves, scientists are interested in their technical ways. The diagram of waves shows how scientists examine waves. Waves are measured (测量) from the top (crest) to the bottom (trough). This allows scientists to find out the height of a wave. They also measure waves from crest to crest to determine (测定) the length of a wave.
During serious storms, huge waves might cut a sea ship apart. Ships are at great risk of winding up as broken pieces after being hit by the force of a huge wave. By understanding the ocean, scientists can prevent this breakup of ships by predicting when the water will be too dangerous for people and their ships. The study of waves and the ocean also allows scientists to make sure how certain beaches were formed. By studying the oceans, a great deal can be learned about the surface we live on.
1.Why are robotic arms used? Because ________.
A.certain tasks are very dangerous B.the tasks are exciting
C.the oceans are beautiful D.there are many studying areas
2.What can we learn from the second paragraph?
A.Waves can make wind. B.Most waves are produced by winds.
C.Scientists make most waves. D.Waves have nothing to do with wind.
3.What is the meaning of "the length of a wave" according to paragraph 3?
A.The beauty of huge waves.
B.The technical way to study the sea.
C.The distance from crest to crest of a wave.
D.The distance from the top to the bottom of a wave.
4.Which of the following statements are right according to the passage?
① Scientists can decide the weather patterns.
②We can't find living things in the waves.
③By studying the ocean, scientists can prevent the breakup of ships.
④The study of waves helps scientists know how certain beaches were formed.
A.①③ B.②④ C.③④ D.②③
5.Where is the passage probably from?
A.A diary entry. B.A fairy tale. C.A travel guide. D.A science magazine.
