久久久国产视频,一区二区三区高清不卡,国产一区二区三区免费在线观看

36．A．thousand of B．thousands C．millions of D．million 【查看更多】

題目列表(包括答案和解析)

Ninety ________ teachers and students plant ________ trees every year．

[　　]

A．

thousands; million of

B．

thousand; millions of

C．

thousands of; millions of

D．

thousand; million

查看答案和解析>>

The terrible earthquake ________ the country, ________ , ________ people were missing．

[　　]

A．attacked; in a result; million

B．hit; as a result; millions of

C．attacked; so that; thousands of

D．hit; at last; thousand

查看答案和解析>>

閱讀下列短文，從每題所給的四個選項(A、B、C和D)中，選出最佳選項。

　　We can see walls everywhere in the world．But the Great Wall of China is the biggest of all．The Chinese call it．“The Ten-thousand-Li．Great Wall．” It's in fact(事實)more than 6, 000 kilometres long．It's 4-5 metres wide．In most places, five houses or ten men can walk side by side．When you visit the Great Wall, you can't help wondering(疑惑)how the Chinese people were able to build(建造)such a great wall thousands of years ago．Without any modern machine(機器), it was really very difficult to build it．They had to do all the work by hand．It took millions of men hundreds of years to build it．

　　The Great Wall has a history of over two thousand years．The kings began to build the first parts of it around two thousand seven hundred years ago．Then, Qin Shihuang had all the walls joined up(連起來)．He thought that could keep the enemy(敵人)out of the country．

　　Today the Great Wall has become a place of interest．Not only Chinese people but also people from all over the world come to visit it．

(1)

The Great Wall is the biggest of all walls in ________．
[　　]
A．	China
B．	Europe(歐洲)
C．	the world
D．	Asia(亞洲)

(2)

How long is the Great Wall?
[　　]
A．	It's less than six hundred kilometres．
B．	It's more than six million kilometres．
C．	It's six thousand kilometres．
D．	It's over six thousand kilometres．

(3)

It took ________ men ________ years old to build the Great Wall．
[　　]
A．	millions, millions
B．	hundreds of, hundreds of
C．	millions of, hundreds
D．	hundreds of, millions of

(4)

The Great Wall was built ________．
[　　]
A．	by people all over the world
B．	without any modern machines
C．	with some other countries’ help
D．	by all Chinese Kings．

查看答案和解析>>

閱讀理解

　　If you have a bottle of water recycled(再利用)from urine(尿), would you drink it? Astronauts at the ISS may soon do so．

　　NASA(美國航空航天局)said it would use a high-tech machine to recycle wastewater at the ISS．The machine will recycle water for washing hands, shower water, water for brushing teeth and even urine to make drinking water．It will save millions of dollars each year．

　　At present, each ISS astronaut uses about 4．4 liters(升)of water every day．It costs about 24 million dollars a year to send water up to the ISS．A liter of water costs about ＄ 11,000．

　　The machine will be sent to the ISS later．NASA hopes it will recycle about 93％ of all the water used on the station．

　　Will the water be clean? Different chemicals will be put in the wastewater．The water will be heated to 130℃ to kill bacteria(細菌)．Scientists say that the recycled water is thousands of times better than the water from a city tap．

(1)

NASA will use a high-tech machine to recycle wastewater at the ISS to ________．
[　　]
A．	protect the ISS
B．	make the astronauts work harder
C．	provide better water and food for the astronauts
D．	save the cost of sending water up to the ISS

(2)

At present it costs NASA about ________ dollars to transport water up to an astronaut at the ISS a day．
[　　]
A．	4.4 thousand
B．	11 thousand
C．	48.4 thousand
D．	24 million

(3)

Scientists plan to get rid of bacteria in the wastewater by ________．
[　　]
A．	freezing
B．	heating
C．	shaking
D．	precipitating(沉淀)

(4)

The passage mainly tells us something about ________．
[　　]
A．	water recycling at the ISS
B．	the International Space Station
C．	a high-tech machine
D．	the cost of NASA

(5)

Which of the following sentences is TURE?
[　　]
A．	The recycled water is much better than that from a city tap．
B．	The high-tech machine will recycle all the water used on the station．
C．	The ISS astronauts use more water than us．
D．	The high-tech machine can only recycle urine to make water

查看答案和解析>>

We can see walls everywhere in the world. But the Great Wall of China is the biggest of all. The Chinese call it. “The Ten-thousand-Li. Great Wall.” It’s in fact (事實) more than 6,000 kilometers long. It’s 4-5 meters wide. In most places, five houses or ten men can walk side by side. When you visit the Great Wall, you can’t help wondering (疑惑) how the Chinese people were able to build (建造) such a great wall thousands of years ago. Without any modern machine (機器), it was really very difficult to build it. They had to do all the work by hand. It took millions of men hundreds of years to build it.
The Great Wall has a history of over two thousand years. The kings began to build the first parts of it around two thousand seven hundred years ago. Then, Qin Shihuang had all the walls joined up (連起來). He thought that could keep the enemy (敵人) out of the country.
Today the Great Wall has become a place of interest. Not only Chinese people but also people from all over the world come to visit it.
【小題1】The Great Wall is the biggest of all walls in _______.

A．China

B．Europe（歐洲）

C．the world

D．Asia (亞洲)

【小題2】How long is the Great Wall ?

A．It’s less than six hundred kilometers.

B．It’s more than six million kilometers.

C．It’s six thousand kilometers.

D．It’s over six thousand kilometers.

【小題3】It took ________ men _________ years old to build the Great Wall.

A．millions, millions	B．hundreds of, hundreds of
C．millions of, hundreds	D．hundreds of, millions of

【小題4】The Great Wall was built ________.

A．by people all over the world

B．without any modern machines

C．with some other countries’ help

D．by all Chinese Kings.

查看答案和解析>>

同步練習冊答案

日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

練習冊

高中

初中

小學