(New uses) for plastics (were found) during (the) 1950’s and 1960’s in medicine, space, research, (industrial), and architecture.（）
A: New uses
B: were found
C: the
D: industrial
A: New uses
B: were found
C: the
D: industrial
举一反三
- Always since the creation of celluloid, plastics have been found to have a multitude of industrial and commercial uses（） A: Always B: plastics C: have D: multitude
- In what areas were Marie's discoveries put to use? A: radioactive material production B: new medicine development C: medical research and treatments D: industrial mass production
- (A number) of foreign visitors (were taken) to the industrial exhibition (which) they (saw) many new products. A: A number B: were taken C: which D: saw
- Arriving at the bus stop, ______ waiting there. A: he found a lot of people B: a lot of people were C: he found a lot of people's D: people were found
- A number of foreign visitors were taken to the industrial exhibition ______ they saw many new products. A: which B: that C: where D: when