第2题: [单项选择]In the flint decades of the twentieth century, the individual gem could not be seen, but could be worked with fruitfully. A. blindly B. completely C. productively D. carefully 参考答案:C 答案解析:blindly盲目地,摸索地。completely十分地,完全地。productively有结果地,有成果地。carefully小心地,谨慎地。fruitfully产量多地,肥沃地。
第3题: [单项选择]疱疹性口炎水疱的直径常在() A. <1mm B. 1~3mm C. >3mm D. 3~5mm E. >5mm 参考答案:B