A scientist must be __________ (precision) while performing experiments.
举一反三
- They are busy doing ______________(scientist) experiments.
- They are performing experiments with a dozen monkeys.
- In doing experiments, you must be ()the precision instruments. A: more than careful with B: more careful than with C: careful more than with D: with more careful than
- At the international conference, the scientist gave a report (base) ______ on his recent experiments.
- _______ several times, the young scientist still kept on making his experiments.