What did the scientists do to…——2009 高考英语第 50 题答案解析

2009_浙江卷 (英语)

2009 Zhejiang Question 50 Single-choice Differentiating
2009_浙江卷 (英语)

50. What did the scientists do to find out if the e-nose worked?

A. They presented it with all common crops..
B. They fixed 13 sensors inside the device.
C. They collected different damaged leaves.
D. They made tests on damaged and healthy leaves.
Answer key

D

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