¡¡¡¡Earthquakes may happen anywhere on the earth£®When some plates of the earth move suddenly, an earthquake happens£®Many earthquakes begin under the sea£®They often happen near the mountains, too£®
¡¡¡¡During an earthquake, the shakings make rocks rise suddenly and even crack(¶ÏÁÑ)open£®Houses fall, people are killed or hurt, and sometimes the whole villages or cities are destroyed£®
¡¡¡¡Can we do something to keep ourselves safe from earthquakes?Scientists have studied earthquakes and make maps that show the¡°earthquake belts¡±£®In areas in these belts, it¡¯s possible for earthquakes to happen£®In these areas we should build strong houses to fight against earthquakes£®
¡¡¡¡In the future, scientists will be able to tell when and where an earthquake will be before they happen£®They can also tell people what to do and how to do it£®
(1)
The reason for an earthquake is ________£®
[¡¡¡¡]
A£®
that there are so many plates on the earth
B£®
that the sea is too deep
C£®
rocks¡¯ cracking open
(2)
A lot of earthquakes often happens ________£®
[¡¡¡¡]
A£®
in the area
B£®
next to mountains
C£®
at night
(3)
A map showing the earthquake belts will tell people ________£®
[¡¡¡¡]
A£®
what kind of houses to build
B£®
what kind of houses can stay up in an earthquake
C£®
where earthquake may happen
(4)
Which is Not True according to the passage?
[¡¡¡¡]
A£®
During an earthquake people are killed or hurt£®
B£®
The scientists can tell when and where an earthquake is now£®
C£®
we should build strong houses to fight against earthquakes£®
(5)
In the future, we¡¯ll be no longer so afraid of earthquakes ________£®
[¡¡¡¡]
A£®
with the help of scientists¡¯ exact prediction
B£®
because of a map showing the¡°earthquake belts¡±
C£®
because we can guess the date and place of earthquakes
¡¡¡¡There are many idioms(Ï°Óï)in English that are about animals£®Today let¡¯s chat a little about some of the idioms about dogs that make English language fun and colorful£®
¡¡¡¡We love dogs ; they are our best friends£®When you first started to learn English, your teacher might teach you a number of phrases about dogs, such as £º¡°you are a lucky dog,¡±¡°I¡¯m dog tired,¡±¡°every dog has its day,¡±or¡°our team was the underdog but won the first place at last£®¡±
¡¡¡¡The idiom¡°dog-ear¡±gives don¡¯t have curled ears; rather, they have pointed(ÊúÆðÀ´µÄ)ears£®
(1)
Which of the following can be the best title of the passage?
[¡¡¡¡]
A£®
Idioms about colors
B£®
Idioms about history
C£®
Idioms about animals
D£®
Idioms about dogs
(2)
How many idioms about dogs are mentioned(Ìá¼°)in this passage?
[¡¡¡¡]
A£®
3
B£®
4
C£®
5
D£®
6
(3)
Which of the following statements is NOT true about the meaning of the idiom¡°dog-ear¡±?
[¡¡¡¡]
A£®
It means a turned-down corner of a page as a bookmark
B£®
It means someone makes a bookmark by turning down the corner of a page in the book£®
C£®
It means an old book with many broken pages£®
D£®
It means something is short and small ike a dog¡¯s ear£®
ÔĶÁÀí½â
¡¡¡¡Have you ever heard an echo of your voice?
¡¡¡¡An echo is a reflected(·´Éä)sound£®Stand in a very large, empty hall with nothing on the walls£®Then shout£®The sounds you make will hit the walls and come back to you£®The walls reflect the sounds£®These reflected sounds are called ¡°echoes¡±£®
¡¡¡¡We can use reflected sound to make sound travel farther£®Hold a watch about fifty centimeters from your ear£®You cannot hear it£®The sound of the watch travels a short way in all directions£®It does not travel as far as your ear£®You can make it travel to your ear by using a roll of cardboard(Ö½°åͲ)£®
¡¡¡¡Make the roll of cardboard about fifty centimeters long£®Put one end over your ear and hold the watch at the other£®Now you can hear the watch because the sound has not gone in all directions£®It is reflected down the roll to your ear£®
¡¡¡¡A megaphone(À®°ÈͲ)works in the same way£®It makes sound travel farther£®It reflects the sound into a beam which can travel a long way£®In the ship, the sailor uses the megaphone to make his voice travel£®Without the megaphone, his voice cannot travel far£®
¡¡¡¡We use reflected sound in many ways£®We use it to measure the depth of the sea, for example£®Among the animals, bats and whales use reflected sound to tell them where they are and what things are near them£®
(1)
What is called ¡°echo¡±?
[¡¡¡¡]
A£®
Very loud voices£®
B£®
Very loud voices that are made by man£®
C£®
Very loud voices that are made by animals£®
D£®
The sound that is made by man or animals comes back from some place£®
(2)
Which is the right order of hearing our echo in a very large, empty hall?
a£®We hear the reflected sound
b£®The sound returns to us
c£®The sound hits the walls
d£®We make a sound
[¡¡¡¡]
A£®
c, b, a, d
B£®
c, a, b, d
C£®
d, c, b, a
D£®
d, b, c, a
(3)
From the text we learn that ________£®
[¡¡¡¡]
A£®
reflected sound is useful only to blind people
B£®
people haven't made use of reflected sound yet
C£®
bats use reflected sound to fly and get food
D£®
whales don't use reflected sound as they live in the sea
(4)
If you haven't got a megaphone, ________ will help you to make your voice travel farther£®