皮皮学，免费搜题
登录
搜题
【单选题】
非水碱量法测定生物碱含量的限制条件是A.
pKb<8～10< /div>
B.
pkb<10～12< /div>
C.
pKb<12< /div>
D.
pKb<13< /div>
E.
pKb<10～14< /div>
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
【单选题】They were quarreling about the property their father had left them when he ______________.
A.
dies
B.
died
C.
has died
D.
is dying
【单选题】关于阴道解剖的陈述,错误的是
A.
是经血排出、性交及胎儿娩出的管道
B.
阴道前穹隆最深与直肠子宫陷凹相邻
C.
阴道前壁与膀胱相邻，后壁与直肠贴近
D.
受性激素影响阴道黏膜也有周期性变化
E.
易发生老年性阴道炎是因雌激素下降致黏膜变薄所致
【单选题】They were quarreling about the property their father had left them when he ______________.
A.
dies
B.
died
C.
is dying
D.
has died
【简答题】有一个自然数被3除余2，被4除余3，被5除余4，这个自然数最小是______．
【简答题】Two farmers were on their way home one evening after a hard day's work. Both were tired. They happened to look up at the sky and saw a black cloud overhead. "Ah!" said one farmer, "tomorrow we shall h...
【单选题】一个自然数N被10除余9，被9除余8，被8除余7，被7除余6，被6除余5，被5除余4，被4除余3，被3除余2，被2除余1，求N的最小值为（ ）。
A.
2518
B.
2519
C.
2526
D.
2521
相关题目：