1．(2019·南京学情调研)Your ________ as a student will be excellent if you develop a habit of reflecting on how you learn.
A．operation B．growth
C．performance D．character
C 解析：句意：如果你能养成一种经常思考如何学习的习惯，那么作为一个学生，你的表现一定会很棒的。 performance“表现”； operation“操作，手术”； growth“增长”； character “人物，角色”。
2．We all agree that even it is ________ possible, human cloning should not be allowed in the world for it challenges our value system.
A．constantly B．previously
C．technically D．essentially
C 解析：句意：我们大家一致认为，即便技术上可行，克隆人在世界上也不应该被允许，因为它挑战了我们的价值体系。 technically “技术上”，符合句意。 constantly “持续不断地”； previously“以前，先前”； essentially “本质上，从根本上”。
3．We don’t mean he is not fair, but we do feel that it’s difficult for him to remain ________ where his son is concerned.
A．positive B．sensitive
C．objective D．effective
C 解析：句意：我们不是说他不公正，但是我们确实觉得让他在牵涉到他儿子的事情上保持客观是很难的。 objective表示“客观的”，符合句意。
