语法与词汇

Archaeological records—paintings, drawings, and carvings of humans engaged in activities involving the use of hands—indicate that humans have been ________right-handed for more than 5,000 years.

【正确答案】 A
【答案解析】

句意:考古记录显示,人类主要用右手进行活动的素描、绘画和雕刻,已经有5000多年的历史了。predominantly主要地。precautiously谨慎地。disciplinarily有纪律地。symmetrically对称地。因此,本题的正确答案为A。