To prove the theory, the scientists havemany experiments.
A: produced
B: manufactured
C: created
D: conducted
A: produced
B: manufactured
C: created
D: conducted
举一反三
- What does the cancellation of the 16-day flight mean A: The scientists on the ground are pursuing only their most important experiments. B: The shuttle team will be disappointed at the curtailment of the science mission. C: The science will complete the experiments on a later shuttle flight. D: The remaining generators are sufficient.
- They all claim that officers （ ） evidence against them. A: fabricated B: produced C: manufactured D: weaved
- Canadian scientists have created a genetically-modified pig to _____.
- The completely new method was _______ by Jack. A: discovered B: invented C: created D: produced
- Surveys can be conducted ( ) compared to other methods of primary data collection such as observation and experiments