搜题
王老师:19139051760(拨打)
加入会员 登录账户 学历提升

第1题

苏联心理学家阿格法诺夫做的“拾柴火”实验是( ) A、 观察法实验 B、 自然实验 C、 实验室实验 D、 自然实验与实验室相结合实验
点击查看答案

第2题

Scientists have tried many ways to prevent the nuclear reactions from ______ harmful and dangerous radiation. A. giving
点击查看答案

第3题

It was not until midnight the snow-capped peak. A. that they sighted B. that they did not sight C. did they sight D.
点击查看答案

第4题

The fish’s sense of smell is most ______. A. actuated B. accurate C. acute D. active
点击查看答案
   负责人：王老师 19139051760(拨打)

   圆梦题库移动版 ICP证：豫ICP备11005330号-1