【简答题】I wonder if there is a nice restaurant (附近的).
【单选题】在机械安全防护装置中,仅能对操作者提供保护的是()。
【单选题】I wonder if there are people who are really against the conference that is being held in the city hail.
【简答题】I wonder if there is any recording or ( 录像 )of the lecture.
【单选题】在机械安全防护装置中,仅能对操作者提供保护的是()。
【单选题】I wonder if there is ( ) university in your hometown.
【简答题】名词解释:生物大分子、分子病、蛋白质的一级结构、蛋白质变性、蛋白质等电点。