2010 Shandong Question 81 Single-choice Differentiating 2010_山东卷 (英语) 72．Jae Kwon gave examples in Paragraph 4 ． A. to show chemical batteries are widely appliedB. to indicate nuclear batteries can be safely usedC. to describe a nuclear﹣powered systemD. to introduce various energy sources． Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →