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【判断题】
对表格中的数据进行组合排序时,作为关键字的列不能超过三列。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】在复方感冒药中常用的鼻粘膜血管收缩药是( )A. 伪麻黄碱 B 对乙酰氨基酚 C 右美沙芬 D 人工牛黄
【多选题】以下表达中,存在格式不规范问题的有
A.
The partice size of the FeMo/MgO catalyst (Figure 1) is much less than that of the NiMo/MgO catalyst (Fig. 2).
B.
X-ray diffraction was collected with a Bruker D8 Advance X-ray diffractometer.
C.
KOH (1g) and water (10mL) were added into a beaker with stirring for 10min.
D.
The separated liquid reaction solution was quantitatively analyzed by: an Agilent 6820 gas chromatography and a high performance liquid chromatography.