Duplicate samples can also be called（） A: Counter samples B: sealed samples C: confirmed samples D: reference samples
Duplicate samples can also be called（） A: Counter samples B: sealed samples C: confirmed samples D: reference samples
Counter samples can also be called （ ）. A: duplicate samples B: sealed samples C: confirmed samples D: reference sample
Counter samples can also be called （ ）. A: duplicate samples B: sealed samples C: confirmed samples D: reference sample
These samples are for you to choose _____.
These samples are for you to choose _____.
Counter samples can also be called （）
Counter samples can also be called （）
There is a wide variety of samples in our exhibition hall.
There is a wide variety of samples in our exhibition hall.
_____ the received goods with the samples, the quality was found unsatisfactory.
_____ the received goods with the samples, the quality was found unsatisfactory.
you send us samples of your products?
you send us samples of your products?
What did this corporation send except samples
What did this corporation send except samples
Samples are always provided from the seller to the buyer.
Samples are always provided from the seller to the buyer.
Which of the following is true about the DNA samples? A: Sample 2 had more restriction sites than the other samples. B: Sample 1 is the smallest DNA fragment. C: Samples 4 and 3 are the same DNA fragment. D: Samples 1 and 2 are the same DNA fragment.
Which of the following is true about the DNA samples? A: Sample 2 had more restriction sites than the other samples. B: Sample 1 is the smallest DNA fragment. C: Samples 4 and 3 are the same DNA fragment. D: Samples 1 and 2 are the same DNA fragment.