皮皮学，免费搜题
登录
搜题
【多选题】
在拟定应用氧化还原滴定操作中,属于应注意的问题是()。A.
共存物对此方法的干扰
B.
滴定终点确定的难易掌握程度
C.
方法的准确度
D.
滴定管材质的选择
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】请翻译以下两句: 1. In recent years, there has been a sharp growth in the number of tour operators who offer tours led by expert guides, and such holidays are often enhanced by special access to private colle...
【简答题】完形填空。 Chinese tennis is entering a golden time. In recent years there has been an explosion of 1 female tennis players bursting onto the global scene. And this couldn't have come at a 2 time with the ...
【单选题】In recent years, there have been over 30 foreign companies __________ business in this city.
A.
doing
B.
do
C.
to do
D.
done
【简答题】D继电半自动闭塞请求发车作业过程中两站间共传递两种闭塞信息，分别是（ ）和（ ）。
【简答题】依据观赏部位对花卉进行分类可分为 、 、 、 、 五类。
【单选题】选出正确答案 1. In recent years, there have been over 70 foreign companies ________ business in this city
A.
doing
B.
do
C.
to do
D.
done
【简答题】精密齿轮高频淬火后需磨削齿面和内孔,以提高齿面和内孔的位置精度,常采用以下原则来保证____
相关题目：