第11题: [填空题]What are the scientist doing last in order to piece together the instruction book for human biology A. A.They draw the genetic maps B.They grow pure human DNA C.They let a computer read its chemical sequence.
参考答案:C
第12题: [单项选择]According to the passage, whether you can get others' help will mainly depend on ______. A. your authority B. your position C. your relationship D. your strategy 参考答案:D 答案解析:第1段开头讲到“获利帮助更多地与策略与方式有关”,故选D。
第13题:[单选题] 使用游标卡尺检查它的准确性不包括( )。 A. 测量面和测量刀口应平直无损 B. 主副尺零位刻线对齐 C. 两量爪贴合应无漏光 D. 零位刻线可以偏差 E. 副尺应活动自如 参考答案:D