A: easy/reliable
B: difficult/cheap
C: stable/compulsory
D: easy/expensive
举一反三
- 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
- Sometimes the __________ (solve) to a problem is cheap and easy; sometimes it is difficult and expensive.
- Most of PowerShow.com’s features are______. A: convenient to develop B: expensive to buy C: difficult to log in D: easy to use
- Itis()tospendmoneyonsomethingyoudon'tuse. A: foolish B: hungry C: expensive D: cheap
- Finger-prints have often been used as a method of solving criminal case because it ______. A: is complicated but reliable B: is simple and not expensive C: is expensive but easy to do D: can bring a lot of money
内容
- 0
Running is cheap, easy and ________ (energy)
- 1
There is _____ for you if you put your heart into it. A: difficult nothing B: nothing easy C: easy nothing D: nothing difficult
- 2
The smartphone Jason has got for Lily is ( ) to use. A: difficult / easy B: easy
- 3
______ has science become that only specialists can understand its complexities. A: So easy B: So difficult C: Such easy D: Such difficult
- 4
Teenagers favor e-cards over traditional cards because ______. A) it's easy to keep them C) they are as cheap as paper cards B) it's not difficult to get them D) they are as traditional as paper cards A: Teenagers favor e-cards over traditional cards because ______. B: it's easy to keep them C: it's not difficult to get them D: they are as cheap as paper cards E: they are as traditional as paper cards