Properties of these three glass systems are chiefly determined by the amount of structural modifier oxides (ZnO, BaO, and PbO) and the ionic size of the modifying cations (Zn, Ba, Pb). In contrast, the effect of the ratio of BOto SiOis relatively small. The frequency constants of these ...
What writing error does the above sentence make? A. Pronoun agreement. B. ling modifier. C. Misplaced modifier. D. Subject-verb agreement. 查看完整题目与答案 含有副交感纤维成份的神经是 A. 内脏大N B. 内脏小N