The biggest obstacle to energy transition is that the present energy system is too expensi

A、the priority should be

B、it should be the priority

C、should the priority be

D、should be it the priority

A．Science.

B．Finance.

C．Politics.

D．Culture.

A．Insufficient shelter.

B．Shortage of materials.

C．Attacks by wild animals.

D．Illness.

Lack of confidence is the biggest ________ to his success.

A barrier

B obstacle

C flaw

D drawback

A．Insufficient shelter.

B．Shortage of materials.

C．Attacks by wild animals.

D．Illness.

A．just getting started

B．resistance from people at work

C．to pass the American College Test

D．culture shock experienced in college

A．poor job of teachers" union

B．outdated teaching practice

C．indifference to teaching quality

D．decentralized school system

What does the figure 0.2 percent in paragraph I indicate？

A．America's economic recovery is still shaky.

B．Economists are disappointed at the future economy.

C．It is a good sign for America's economic recovery.

D．The biggest obstacle to healthier economic performance is political.

Italy's general public will most probably agree that ______

A．physical inadequacies are the biggest obstacle for the disabled

B．things should be done to remove the barriers against the disabled

C．workplace prejudices toward the disabled are hardly recognizable

D．disabled people should reduce the need of going to public places

What does the figure 0.2% in Paragraph 1 indicate？

A．America's economic recovery is still shaky.

B．Economists are disappointed at the future economy.

C．It is a bad sign for America's economic recovery.

D．The biggest obstacle to healthier economic performance is political.