Major cities are crowded （)young men and women （)have just graduated.

A.eventually

B.physically

C.willingly

D.virtually

A.question

B.matter

C.case

D.problem

A．Trash and garbage

B．Major industries

C．Cars and population

D．Gas fumes and the burning for energy

A. have sprung up

B.sprang up

C.had sprung up

D.spring up

，被认为是中国社会经济可持续发展的面临的重大现实问题之一。()

选项格式A.With the rapid development of industrialization and urbanization of China's economy, haze appears in a large number of cities and their surrounding areas, which is considered to be one of the major realistic problems facing the sustainable development of China's social economy.

B.Along with the stage of China's economy entering the rapid development of industrialization and urbanization, the smog phenomenon has appeared in many cities in China and its surrounding areas, and is considered to be one of the major practical problems facing the sustainable development of China's social economy.

C.As China has seen rapid industrialization and urbanization, smog prevails in a large number of Chinese cities and their surrounding areas, and is considered one of the major problems threatening China’s social and economic sustainability.

D.With China's economy entering the stage of rapid industrialization and urbanization, smog phenomenon appears in a large number of cities and their surrounding areas in ChinA.With the rapid development of industrialization and urbanization of China's economy, haze appears in a large number of cities and their surrounding areas, which is considered to be one of the major realistic problems facing the sustainable development of China's social economy.

B.Along with the stage of China's economy entering the rapid development of industrialization and urbanization, the smog phenomenon has appeared in many cities in China and its surrounding areas, and is considered to be one of the major practical problems facing the sustainable development of China's social economy.

C.As China has seen rapid industrialization and urbanization, smog prevails in a large number of Chinese cities and their surrounding areas, and is considered one of the major problems threatening China’s social and economic sustainability.

D.With China's economy entering the stage of rapid industrialization and urbanization, smog phenomenon appears in a large number of cities and their surrounding areas in Chin选项格式A. It is considered to be one of the major practical problems facing China's sustainable social and economic development.

jor airports.()

此题为判断题(对，错)。

A.the number of students learning Chinese is small

B.Chinese programs have found their way in several major Cities in the U. S.

C.government officials don’t like the pressure from business leaders and parents to start Chinese programs

D.China is becoming more and more influential in the world

A.With the rapid development of industrialization and urbanization of China's economy, haze appears in a large number of cities and their surrounding areas, which is considered to be one of the major realistic problems facing the sustainable development of China's social economy.#B.Along with the stage of China's economy entering the rapid development of industrialization and urbanization, the smog phenomenon has appeared in many cities i

A.With the rapid development of industrialization and urbanization of China's economy, haze appears in a large number of cities and their surrounding areas, which is considered to be one of the major realistic problems facing the sustainable development of China's social economy.#B.Along with the stage of China's economy entering the rapid development of industrialization and urbanization, the smog phenomenon has appeared in many cities i

Which of the following is TRUE according to the passage？

A．It is not preferable for overseas students to share accommodation with others.

B．Students are encouraged to buy second-hand cars because transportation is not convenient.

C．It is better to find a roommate who is ready to help you in your English study.

D．It is much easier to reach major cities by train.