【单选题】I have two pens. One is red, and is blue.
【简答题】分别说明硬齿面闭式齿轮传动和闭式蜗杆传动的主要失效形式与设计准则。
【简答题】进入洁净生产区的人员不得()。生产区、仓储区应当禁止()和饮食,禁止存放食品、饮料、香烟和个人用药品等()。
【简答题】读一读,猜一猜。 I have two long (长的) ears, a short tail (尾巴), two red eyes. Who am I? Answer: ____________________
【简答题】边读边想,翻译下面的谜语并写出谜底。 Riddle I have two red eyes. I have two long ears. I like carrots (萝卜) . Everybody likes me. 谜语 我有两只红眼睛 ___________________________ ___________________________ ______________________...
【单选题】I have two pens . One is red , ______ is blue .
【多选题】智囊团 需要 军或民科技需求环节的信息增量