3) What did people use for building materials before?
They used surface sources for building materials, mostly wood.
举一反三
- Which of the following is NOT to explain the methods? A: What is the research design? B: What materials and techniques did the research use? C: What statistics did the research analyze? D: What procedures did the research follow?
- What did the Irish use to carve the Jack-O’-Lanterns before the 1800’s?
- What misconception about food did people use to have according to the text?
- When people choose building materials, cost _____ often a determing factor.
- ______ Mr. Black_______go to work by ferry before the bridge was built? A: Did; used to B: Use; to C: Did; use to D: Does; use to
内容
- 0
智慧职教: What ___ used as chief building materials today __ steel and concrete.
- 1
What did Fred Pully announce A: A new branch opening B: A decision to use a different kind of fuel C: Loss of health and resources D: Building a new factory
- 2
What does the company sell A: Semiconductor products B: Computers C: Lights D: Building materials
- 3
What did Lucy use to do?[1.5分]
- 4
What did "going abroad" use to mean?