A: unusual
B: expensive
C: convenient
D: --
举一反三
- 中国大学MOOC: Electricity is the most form of energy to use.
- Most of PowerShow.com’s features are______. A: convenient to develop B: expensive to buy C: difficult to log in D: easy to use
- Electricity generation is the process of converting some form of energy ___ electricity.
- What did the computer use to be（） A: Large, but cheap, easy to use. B: Large, expensive, very popular. C: Small, cheap, easy to use. D: Large, expensive, hard to us
- Nuclear power is the use of nuclear reactions that release nuclear energy to generate _____, which most frequently is then used in steam turbines to produce electricity in a nuclear power plant.
内容
- 0
A mail transfer is the most expensive form of transfer.
- 1
The most important form of energy is electric energy, which is (wide) _____ used in our daily life.
- 2
The most environmentally sustainable method to ensure sufficient energy for future generations is to A: build more nuclear reactors. B: increase the amount of electricity generators using natural gas. C: find more fossil fuels. D: reduce waste and inefficiency in electricity use and transimssion. E: develop more effective solar power generators.
- 3
What do we know about credit cards according to the passage（） A: They are safe to use. B: They are convenient to use. C: They are economical to use. D: They are complicated to use.
- 4
The dress is _______ than the tailcoat. But the handbag is the _______. A: expensiver; expensivest B: expensive; more expensive C: more expensive; most expensive D: most expensive; more expensive