题目内容

In2017,theareaofbiotechcropsin Canada was________millionhectares.

A. 9.1
B. 11.1
C. 13.1
D. 16.1

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In2017,theareaofbiotechcropsinChina was________millionhectares.

A. 1.2
B. 1.8
C. 2.3
D. 2.8

In2017,theareaofbiotechcropsin India was________millionhectares.

A. 9.4
B. 11.4
C. 13.4
D. 16.4

In2017,theareaofbiotechcropsin Australia was________millionhectares.

A. 0.4
B. 0.6
C. 0.9
D. 1.4

In April _______, a white button mushroom (Agaricus bisporus) modified using the CRISPR technique received de facto approval in the United States, after the USDA said it would not have to go through the agency's regulatory process.

A. 2013
B. 2014
C. 2016
D. 2018