问题
选择题
In doing scientific experiments one must be _______ careful with the instruments.
A．other than
B．rather than
C．less than
D．more than
答案
答案：D
考查短语辨析。other than 除了，rather than 而不是，less than 少于，more than 超过，非常，句意：在做科学实验中，一个人必须非常小心对于仪器。所以选D。